Showing posts sorted by date for query bats. Sort by relevance Show all posts
Showing posts sorted by date for query bats. Sort by relevance Show all posts

Sunday, January 22, 2017

Red alert!!! Vampire Bats Found Feeding on Human Blood.

Vampire Bats Found Feeding on Human Blood,and its not a movie clip.DNA samples from the dung of hairy-legged vampire bats, which survive by drinking bird blood, were recently discovered to have traces of human blood. The urban legend of the vampire that haunts our nightmares might not be just a legend after all. Vampire bats have evolved to subsist entirely on blood, and now for the first known time one type of vampire bat has started feeding on humans. The hairy-legged vampire bat (Diphylla ecaudata) has always been known to survive on the blood of various birds. A new study published in the journal Acta Chiropterologica found that this species of vampire bat is now feeding on human blood as well. Two other species of vampire bat—the common vampire bat (Desmodus rotundus) and the white-winged vampire bat (Diaemus youngi)—are known to jump from one source of blood to another, but never human blood. All three species of vampire bats can be found across the Americas, ranging from Mexico to Brazil, Chile, Uruguay, and Argentina. They feed by puncturing the skin of their prey with sharp incisors and drinking the blood that flows from the wound. Deforestation has been wreaking havoc on the Caatinga dry forests of northeastern Brazil, displacing the vampire bat population. Brazilians have also been hunting the tinamou and guan birds, which are the prey of vampire bats. With food sources running dry, investigators from the Universidade Federal de Pernambuco in Recife, Brazil decided to find out what these vampire bats were surviving on instead. Predictably, DNA analysis of fecal samples from 15 bats showed that most of the samples contained chicken blood. But 3 the 15 samples contained traces of human blood. Enrico Bernard, the lead researcher on the study, was surprised at this discovery, saying, “This species isn’t adapted to feed on the blood of mammals.” Vampire bats are adapted to process fat, which is a primary component of bird blood, compared with the thicker, high-protein blood of mammals. This new-found evidence is a cause of concern to investigators, worried about the spread of viruses from the bats to their human prey. A similar phenomenon occurred in northeast Brazil in 2015,when deforestation led another type of vampire bat to bite and infect more than 1,000 people with rabies, causing at least 23 deaths. Investigators are worried about what this discovery might mean for Brazilians and their well-being because the hairy-legged vampire bat has been known to carry the deadly hantavirus. The hantavirus can cause a respiratory disease in humans that can be fatal. The investigators believe these vampire bats are entering people’s bedrooms through holes in roofs or windows while they’re sleeping. To learn more, the research team is following up by visiting homes of local residents to find out how often they are being bitten, when they are being bitten, and how they are being bitten. source

Saturday, October 1, 2016

Rabies detected in a chicken in India.

All mammals are susceptible to rabies. Raccoons, skunks, foxes, bats, dogs, coyotes and cats are the likely suspects. Animals like otters and ferrets are also high risk. 

Mammals like rabbits, squirrels, rodents and opossums are rarely infected and no mention of birds until recently. Indian researchers have reported the first case of rabies in a domestic fowl, a chicken, in the country, according to a study published in the journal, PLoS Neglected Tropical Diseases.

The chicken (Gallus domesticus), was bitten by a stray dog and died a month later. It’s carcass was sent to the rabies diagnostic laboratory. The brain tissue was positive for rabies viral antigens by fluorescent antibody test (FAT) confirming a diagnosis of rabies. Additional analysis revealed that the rabies virus strain from the domestic fowl belonged to a distinct and relatively rare Indian subcontinent lineage. 

 The authors say the significance of this finding indicates that spill over of infection even to an unusual host is possible in highly endemic areas. In addition, butchering and handling of rabies virus- infected poultry may pose a potential exposure risk. 

 Researchers conclude the present report indicates that rabies is a disease that can affect birds. Lack of obvious clinical signs and fewer opportunities for diagnostic laboratory testing of suspected rabies in a bird, may be the reason for the disease in these species being undiagnosed and probably underestimated.continue

Thursday, September 29, 2016

Rabies: A case of dog bite .

Rabies a deadly but preventable disease is a menace that our society has to eliminate and put steps in place to eradicate the virus completely. Rabies usually affect warm blooded animals such as dogs,cats,monkeys,raccoons,skunks,bats ,horses and cattle. The virus usually transferred through bites from an infected animal, various species have been linked to the transmission of virus with variations from country to country. 

The sylvatic cycle of the virus in the wild is actually what is propagating the virus in urban areas.The issue of interaction between wild and domesticated animals usually with stray dogs and cats as the major carriers of the virus is an identified route of infection. Pet importation has also opened up another route of possible transmission of the virus, pets should be quarantined and all records verified before allowing them in the country. 

The issue of stray dogs and cats is a risk factor here in Nigeria, most rabies cases in man have been traced to bites from strays mostly affecting children below 15 years of age. A recent case of a young boy bitten by a stray dog typifies what happens in most situations; Boy bitten by dog, the parents did not notify any hospital or health center.

 The boy started exhibiting signs of rabies such as hydrophobia,biting and licking body like a dog,signs of madness and in this state also bit the mother while trying to restrain the child. The boy was taken to the hospital at this stage,but it was too late for any intervention. The mother though bitten did not think anything of the incident until the child died when some questions were poised to her, now she is undergoing treatment also her baby as she is nursing currently.
 A simple washing  of the bite wound with soap and a lot of water before seeking medical care, would have saved the boy's life. The fight against rabies is not a one-man- show all hands must be on deck to support the movement. 

There are key steps to take to achieve a rabies free status; 1) Education about rabies and steps to take when bitten especially at the rural level. 2) Enforcing the laws on stray dogs and other animals. 3)Mass vaccination campaign with free vaccination for pets. 4) Provision of the human diploid vaccines in hospitals,primary health centers and mobile clinics at affordable rates to encourage people to seek medical attention when bitten by dogs,cats and monkeys. Rabies is preventable ,see how to stay safe with animals. Play this game

Saturday, September 24, 2016

Post-Ebola, West Africans flock back to bushmeat.

Post-Ebola, West Africans flock back to bushmeat and scientists are warning about the risk implication. As the deadly outbreak of Ebola has subsided, people in several West African countries are flocking to eat bushmeat again after restrictions were lifted on the consumption of wild animals like hedgehogs and cane rats. But some health experts call it a risky move. Ivory Coast, which neighbors two of the three countries where Ebola killed more than 11,300 people since December 2013, lifted its ban on wild animal meat this month. The meat of squirrel, deer, fruit bats and rats has long been a key source of protein for many in the region, but it is also a potential source of the Ebola virus. Though bushmeat hasn't officially been linked to West Africa's recent Ebola outbreak, the deadliest in history, infections in Africa have been associated with hunting, butchering and processing meat from infected animals, according to the U.S. Centers for Disease Control. The Ebola virus is then spread through direct contact with the bodily fluids of victims or corpses. From a public health standpoint, this decision is unfortunate at best," said Ben Neuman, a virologist at Texas A&M University-Texarkana. "The only source of Ebola in the world is infected animals, and there's good evidence that some of these animals, like bats, can be infected for a long time." However, not all bushmeat is equal, he said. Bats pass on the virus and travel far. Some types of rodents can get the virus. Primate meat is likely not as much of a danger, given that they succumb to Ebola more quickly than people. "There's a good case for banning the sale of bats as bushmeat. The other sources are a lesser risk," Neuman said. "I don't want to see it all legal, but we don't want to see people go hungry, either." continue

Wednesday, April 20, 2016

RABIES IN A HORSE IN SANTA CRUZ.

The Arizona Department of Agriculture said a horse in Santa Cruz County has become the state's first case of rabies in a domesticated animal in nearly seven years. The horse, whose owner lives in the Nogales area, was hospitalized but did not respond to treatment, according to a news release. The horse was later euthanized, state agriculture officials said. Rabies among domestic animals is extremely rare, with this being the first case in almost seven years, we are reminded of the importance of keeping our animals' vaccinations current," said Dr. Susan Gale, the acting state veterinarian. Rabies is a virus that attacks the nervous system of mammals, causing erratic behavior and eventually death, according to the Centers for Disease Control . Rabies is most often found in wild animals, including bats, skunks and foxes. The state Department of Agriculture urges livestock, horse and pet owners to speak with their veterinarian about how to protect their animals. Read more http://www.abc15.com/news/state/santa-cruz-horse-is-first-arizona-domestic-animal-rabies-case-in-nearly-seven-years

Wednesday, March 16, 2016

RABIES IN CATTLE.

This is usually diagnosed in dogs and sometimes cats in this part of the world, with particular reference to dogs running wild and biting people.The virus can affect other animals such as horses,foxes,skunks,bats and cattle,but the usual suspect is the dog. A bite from an infected wild animal, such as a fox or raccoon, is a common method of infection in cattle. In Europe, rabies in dogs is a growing concern,in Africa the threats come from Jackals and in Northern Europe, Wolves are a prime vector of the virus. The skunk is the most likely carrier that spreads the disease to domestic animals such as dogs, cats, horses and cattle and those species then will show the clinical signs of rabies. The rabies virus is spread through the saliva of a positive animal, and when bitten by a positive animal is the primary way the virus is spread. However, other methods of spreading the disease are saliva from a positive animal getting into an open wound, or saliva from a positive animal getting into a mucus membrane – the eyes, gums or lips – of another animal or human.The time between infection and the onset of clinical signs varies. It can range from as early as a few weeks to as late as a few months after infection. Infected animals will start to carry the virus in their saliva before they start to show clinical signs, and this is why the rabies virus is different than most other viruses, because it does not enter the bloodstream but rather, the rabies virus travels through the nerves from the point of infection. If an animal is bitten on its back leg, the rabies virus will travel through the nerves of the back leg to the spinal cord, and then from the spinal cord, it will go to the brain and When this happens the clinical signs become obvious. An animal that is bitten on the nose, as it is believed most cattle are, will start showing clinical signs earlier than an animal bitten on the back leg. This is because the virus has less distance to travel to the brain and this accounts for the time variation between being infected and showing clinical signs.Once an animal shows clinical signs, typically within four to five days that animal will get progressively worse and die. There are effective rabies vaccinations available for humans, dogs, cats, horses and cattle. Veterinarians recommends that producers who show cattle consider vaccinating those cattle for rabies. If those show animals contract rabies, there is more of a chance of exposure to humans.While it isn’t always practical to vaccinate the whole cow herd, vaccination in prevalent areas are encouraged.

Tuesday, March 15, 2016

Ebola, Zika now WIV1-CoV,

Researchers from the University of North Carolina (UNC) at Chapel Hill have found that the newly identified virus, known as WIV1-CoV, a SARS-like virus found in Chinese horseshoe bats may be poised to infect humans could bind to the same receptors as SARS-CoV that infected thousands in 2002.They also showed that the virus readily and efficiently replicated in cultured human airway tissues, suggesting an ability to jump directly to humans. Researcher Vineet Menachery said that the capacity of this group of viruses to jump into humans is greater than originally thought, adding that while other adaptations may be required to produce an epidemic, several viral strains circulating in bat populations have already overcome the barrier of replication in human cells and suggest reemergence as a distinct possibility. He further said that this virus may never jump to humans, but if it does, WIV1-CoV has the potential to seed a new outbreak with significant consequences for both public health and the global economy.The research team also found that antibodies developed to treat SARS were effective in both human and animal tissue samples against WIV1-CoV, providing a potent treatment option if there were an outbreak. Prevention using existing vaccines against SARS would not provide protection for this new virus due to slight differences in the viral sequence and there is a limitation to treat with antibodies.This is the same as with ZMapp, the antibody approach used for Ebola, because of production at a large enough scale to treat many people. culled from journal of Proceedings of the National Academy of Sciences.

Tuesday, February 23, 2016

BAT'S IMMUNITY; A NEW MODEL FOR PREVENTING DISEASES IN MAN.

Bats are a natural host for more than 100 viruses, some of which are lethal to people, including Middle Eastern Respiratory Syndrome (MERS), Ebola and Hendra virus, however, interestingly bats do not get sick or show signs of disease from these viruses. A new study has revealed the distinct ability in bats,that enables them carry disease-agents and still remain unaffected by such organisms.For the first time researchers have uncovered a unique ability in bats which allows them to carry but remain unaffected by lethal diseases. Unlike humans, bats keep their immune systems switched on 24/7 and scientists believe this could hold the key to protecting people from deadly diseases like Ebola. The research published in the Proceedings of the National Academy of Sciences (PNAS), this new research examines the genes and immune system of the Australian black flying fox. Whenever our body encounters a foreign organism, like bacteria or a virus, a complicated set of immune responses are set in motion, one of which is the defense mechanism known as innate immunity,leading bat immunologist at CSIRO's Australian Animal Health Laboratory Dr Michelle Baker said. The team focused on the innate immunity of bats with particular reference to the role of interferons -which are essential for innate immune responses in mammals and to understand what's special about how bats respond to invading viruses. It was discovered that bats only have three interferons which is only a fraction -- about a quarter -- of the number of interferons found in people.This is surprising given bats have this unique ability to control viral infections that are lethal in people and yet they can do this with a lower number of interferons. The team also compared two type 1 interferons -- alpha and beta.The research showed that bats express a heightened innate immune response even when they were not infected with any detectable virus. Man and mice activate their immune systems only in response to infection, the bats interferon-alpha is constantly 'switched on' acting as a 24/7 front line defense against diseases In other mammalian species, having the immune response constantly switched on is dangerous because it's toxic to tissue and cells- whereas the bat immune system operates in harmony. The important role bats play in the eco-system as pollinators and insect controllers is recognized, bats are also increasingly demonstrating their worth in potentially helping to protect people from infectious diseases.

Wednesday, February 17, 2016

RABIES AND GLOBAL TRAVEL.

Scientists/researchers have warned tourist/holiday enthusiast to stay away from animals including bats on such travelling.This advice came on the heels of a lady that died after she was bitten by a dog while on a trip in India for 2 weeks. 

 Rabies is an acute viral infection of the central nervous system. The virus is usually transmitted through a dog bite, and results in at least 40,000 deaths worldwide every year.Around 90% of deaths occur in the developing world,particularly in India, where dogs that roam freely are largely responsible. Rabies is rare in the UK, where just 12 cases have been reported since 1977, 11 contracted abroad and one rare case acquired from a bat in the UK. 

 A team of researchers describe the case of a woman in her late 30s who was admitted to hospital with shooting pain in her lower back and left leg. Three and a half months earlier, she had been bitten by a puppy on a lead during a two week holiday in Goa. It left a slight graze, but she did not seek medical help, and she had not received a vaccination before travelling. 

She was diagnosed with rabies and died after 18 days in hospital. This case serves as an important reminder of the risk of rabies for any traveler to a country where rabies is endemic, even tourists on a short visit to a holiday resort, say the authors. 

 Travelers need to know whether they are visiting a country where rabies is endemic, and that any dog bite must be taken seriously,even an apparently innocuous bite from a pet. The risk can also be reduced by avoiding contact with animals that might be susceptible to rabies. stay away from roaming dogs ,cats or wildlife.

Saturday, February 6, 2016

RABIES IN HORSES.

Equine rabies is a feared and fatal disease, but there are ways horse owners can reduce the risk of their animals becoming infected.Rabies is fatal to all mammals. Rabies--caused by a lyssa virus that affects mammals' nervous system and salivary glands. It has six genotypes, all of which have different host ranges and pathogenicities. Rabies is everywhere,but more prevalent in underdeveloped countries than others.There are some countries reported free of the virus include Australia, Great Britain, New Zealand, Scandinavia, and Switzerland. ROUTES OF INFECTION IN HORSES. 1)Horses contract rabies from other infected animals. The horse will contract the rabies virus, when bitten by another rabid animal or have a wound contaminated with saliva or blood from an infected animal. 2) Wildlife exposure and interaction. The sylvatic cycle of the rabies virus is maintained by the wildlife community,thus when there is an interaction especially through fights,bites or consumption of infected carcass,the virus spreads. The animals that usually harbour the virus are skunks,foxes,bats,wild dogs and livestock. SIGNS OF RABIES.The signs at onset are nonspecific and include ;depression,inappetence, and Ataxia.The signs become more pronounced as the infection progresses and these are 1) hypersensitivity tu sound and touch. 2) pruritis 3) increased libido 4)twitching. Rabies is rapidly progressive and uniformly fatal with death from cardio-respiratory failure or misadventure within 10 days .People exposed to blood or saliva from a rabid horse has a risk of contracting and therefore dying of rabies,although the chances of infection from a horse to a human are small ;all prevention protocols should be observed. BIOSECURITY IN CASES OF RABIES.1) If any animal is suspected,there must be isolation of subject and restriction of handlers to the box. 2)The use of gloves,face mask and protective clothing. Vaccination is still the best means of protection.Vaccinate all horses.

RABIES THREAT IN HORSES.

Real-Life Examples of a Real-Life Threat Although rabies is a rare disease in domestic animals, due to its uniformly fatal nature, encounters remain as vivid memories. These are two real-life examples from my own experiences. Case 1: Human Exposure We had a "down horse" emergency case due to arrive at the John Thomas Vaughan Large Animal Teaching Hospital at Auburn University. Prior to arrival, the owners told us that the previous day, the horse was at a 4-H show being ridden by a young girl, and he seemed a little off: slightly colicky in the morning and then lame in the afternoon. The following morning the horse was ataxic (incoordinated) and their regular veterinarian recommended referral to Auburn. The owners set out on the four-hour drive to our hospital, but two hours prior to arrival the horse went down in the trailer. The owner called us to say that the horses' condition had deteriorated and he was now biting viciously at his extended foreleg; he also notified us that he did not think the horse was worth saving and that he was going to return home to humanely shoot the horse and bury it on the farm. Rabies is a risk with any horse that has progressively neurologic signs, and though rare, this case was concerning. We strongly recommended continuing to the university, but the owner was concerned about expensive care with a poor prognosis. My fears turned to the daughter. Even if the horse was ultimately euthanized, there was a risk the daughter could have been exposed if the animal tested positive for rabies. A drop of saliva while bridling the horse could easily inoculate a small cut on a finger. To my relief the owner agreed to continue to Auburn to have the horse euthanized and a post-mortem performed. On arrival the horse was still down on the trailer, tongue lolling and biting at anything that moved. We were able to heavily sedate the horse and carefully access a rear leg vein to humanely put him to sleep. All our veterinarians and technicians are vaccinated for rabies, but it was still quite frightening and risky, so we minimized the number of people involved. We performed a post-mortem exam immediately, which confirmed our biggest fear: The horse was positive for rabies. We notified the state health department, and they were able to ensure all individuals that had contact with the horse--people in the horse's barn and at the show, the referring veterinarian, and the owner and his daughter--received post-exposure hyperimmune plasma and a long series of vaccines against rabies. Case 2: Rabies vaccines: Important for horses, dogs, and even the barn cat A friend of mine has several horses and visits her farm daily with her daughter and grandson. One evening while pulling a few flakes of hay from the hayshed, the daughter felt something brush against her face and then over her arm. A flashlight revealed a small bat that was awkwardly fluttering over the hay bales. My friend chased off the barn cat who was very interested in this new, wildly moving "cat toy" and managed to kill the ailing bat with a single whack of a nearby shovel. The daughter then noticed a small scratch across her arm. They washed the wound carefully and wrapped the deceased bat in several plastic bags. Meanwhile the old one-eyed barn cat was outside happily enjoying his evening game with the grandson. My friend called me for advice. As a veterinarian I am not allowed to give medical advice, but I ensured that they had washed the scratch with water and disinfectant and suggested they pack some ice packs around the bat's packaged remains and head to the emergency room. Luckily they still had the dead bat available for rabies testing and it was delivered to the Alabama State Veterinary Diagnostic Laboratory first thing the next morning, where testing confirmed the bat was positive for rabies. The daughter was given rabies hyperimmune plasma and post-exposure vaccines. She told me that over the next two weeks, every time she received one of the vaccines the scratch on her arm would redden and hurt for several hours. She was convinced the bat had inoculated her with the rabies virus. The county rabies veterinary officer was notified of the positive rabies test, and we recommended that all the horses and the barn cat be revaccinated immediately and carefully observed for any possible signs of disease. Fortunately, the cat had not come in contact with the bat; an exposed cat with overdue vaccines, such as this one, would have to be euthanized or quarantined for many months. Initially my friend was reluctant to spend the money to vaccinate the old barn cat. He had lived happily on the farm for many years and, although she never really owned him, he certainly thought he owned the farm. I walked her through the facts: Rabies is endemic in America, and obviously there were rabid bats on the farm. The individual most likely to contact a sickly bat would be the old barn cat, and the cat was always around the valuable horses and was the 4-year-old grandson's playmate. The old barn cat certainly needed to be vaccinated, even as a means of protecting others potentially more valuable than he. Are all your horses, dogs and barn cats up-to-date on rabies vaccines? story source (The horse.com)

Wednesday, February 3, 2016

MONKEYS, BATS AND INFECTION IN MAN.

When it comes to spreading viruses, bats are thought to be among the worst. Now a new study of nearly 900 nonhuman primates in Bangladesh and Cambodia shows that macaques harbor more diverse astroviruses, which can cause infectious gastroenteritis or diarrhea in humans. A bat has bat astrovirus, but a monkey, you could have everything, a research scientist at the University of Washington National Primate Research Primate Center and a co-author of the study, published in PLOS Pathogens. This research, the scientists said, is the first to show evidence of human astroviruses in animals, and among the earliest to demonstrate that astroviruses can move between mammalian species .Astroviruses from a number of species, including human, bovine, bird, cow and dog, were detected in monkeys, This "challenges the paradigm that AstV (astrovirus) infection is species-specific," the authors wrote. It is still unknown whether these viruses are two-way and can be transmitted to humans. They did find evidence that, in monkeys, two species of astrovirus recombined.Knowing that nonhuman primates can harbor diverse astroviruses -- including novel, recombinant viruses that may be pathogenic and/or more efficiently transmitted -- highlights the importance of continued monitoring, the authors said. This is particularly true in countries such as Bangladesh and Cambodia, where macaques and humans live side-by-side."This study is an example of the concept of One Health for new viruses," noted author Stacey Schultz-Cherry at St. Jude Children's Research Hospital in Memphis. "This is an indication that we really need to think about animal partners in One Health." Astroviruses are most commonly associated with diarrhea. They can also cause clinical diseases such as nephritis, hepatitis and encephalitis. Astroviruses also can be asymptomatic, depending on the species, the researchers reported. Currently, the only treatment is oral rehydration. story source; science daily.

Friday, December 4, 2015

HENDRA VIRUS, HORSES AND HORSE OWNERS.

The Hendra virus is a virus that mainly infects fruit bats also called flying foxes which can be passed on to horses, people and other animals. The virus is a deadly zoonoses. Hendra virus is very fragile. It is easily killed by heat, soap or detergents and by desiccation (drying out). It may survive in the environment from several hours to several days depending on environmental conditions. Survival is longer in cool moist conditions where the pH is close to neutral. Horses can shed Hendra virus before they show any sign of illness. All horse handlers should protect themselves by routinely using good hygiene practices whenever handling horses.Always cover any cuts exposed skin before handling your horse. Always wash your hands with soap and water, particularly after handling your horse's mouth or nose. Do not smoke, eat or touch your eyes, nose or mouth until you have washed your hands, every time you put a bridle on or take it off you are likely to contact the horse's saliva. The Hendra virus should be suspected whenever a horse's health deteriorates rapidly. The symptoms in horses include a sudden fever with a respiratory or neurological illness and rapid death, laboured breathing ,frothy and/or blood stained nasal discharge ,a temperature above 40 degreesC. The neurological changes are tilting of the head, loss of vision, abnormal muscle twitching, weakness and loss of balance. Some horses show colic symptoms. What to do when horses have been confirmed to have the virus; 1)quarantine. 2) protective clothing .Everyone handling a sick horse must wear full protective clothing. Protective clothing must be fitted correctly. Put on protective clothing before approaching the horse.After handling the horse, remove and dispose of protective clothing carefully into waste bags, making sure there is no contact with your face, particularly your eyes, mouth and nose.Carefully remove any clothing contaminated with the horse's body fluids. Wash your hands thoroughly after removing the protective clothing and horse owners should always have a protective clothing for safety. Vaccination of horses is very important.

Viruses that spread from animals to humans are on the rise.

Viruses that develop in animals and can spread to humans are on the rise around the world and scientists say more research is needed to prevent them from evolving. Viruses that pose a risk to both human and animal health are known as zoonotic diseases.The more severe examples include ebola in west Africa, Middle East Respiratory Syndrome (MERS) in the Arabian Peninsula, Severe Acute Respiratory Syndrome (SARS) in Asia, and even Hendra in Australia. The University's Dr Siobhan Mor has just completed a study into how much scientists know about such animal diseases before they develop.She said half of the data that exists focuses on known zoonotic diseases, and there is a lack of information on animal viruses that have the potential to develop into human ones."We identified 10 diseases that occur at the livestock-wildlife interface, majority of which also affect humans, and found that the majority of the research has been occurring on these [10] particular diseases since the 1960s," Dr Mor said."There has been a lot of research on these particular diseases, with far less on other diseases occurring."Dr Mor said the findings are concerning, given animal diseases could pose a greater risk to human health as livestock production systems become more intensive."We are seeing more diseases occurring now in people as a result of those livestock systems and the way we are producing human food," she said.We are seeing more diseases occurring now in people as a result of those livestock systems and the way we are producing human food. Dr Siobhan Mor, University of Sydney, "We are raising animals in close proximity to wildlife because we have cleared land in order to make way for our agricultural production." Dr Mor said sometimes new diseases are detected in humans first, which are later found to have initially developed in animals, such as HIV."Historically, we know that HIV comes from animals, but what the research shows is there are increasingly new diseases being found in humans and we later determine have been occurring in animals as well."Dr Mor said Severe Acute Respiratory Syndrome, or SARS, is a more modern example of an animal disease that has become more problematic for humans in recent decades."I think everyone's eyes are on viruses known as coronaviruses," she said. Zoonotic diseases have become more publicised recently with the west African ebola outbreak, which has so far killed more than 10,000 people.Fruit bats are thought to be the natural hosts of the ebola virus, as is also the case with the deadly Hendra virus in Australia. Hendra has infected seven Australians and killed four, as well as countless horses, since it was first recorded in the Brisbane suburb of Hendra in 1994. Dr Mor said human Hendra cases demonstrated a need to understand more about bats, which are linked to a number of zoonotic diseases."Bats are really interesting and we now know they harbour many germs which can make people very sick," Read more here; http://www.abc.net.au/news/2015-07-21/researchers-say-more-information-is-needed-zoonotic-diseases/6635738

Thursday, December 3, 2015

VACCINATION OF HORSES AGAINST THE HENDRA VIRUS.

The disease is carried by bats and can be fatal for horses and humans.Hunter Valley vets are reporting a drop off in the number of people getting their horses vaccinated for Hendra virus.Ian Gollan recommends getting horses vaccinated, even though there have been no cases of the deadly disease locally.Read more here;http://www.abc.net.au/news/2015-12-01/vets-urge-horse-owners-to-remain-vigilant-over-hendra-vaccinati/6988886

HENDRA VIRUS IN HORSES.

Horses that came into contact with urine from black flying foxes were most likely to catch the virus, It has long been known that bats are the natural hosts of the Hendra virus and could pass it to horses, but exactly how that happens has been difficult to prove. Dr Hume Field is a science and policy advisor with US conservation group EcoHealth Alliance, and the former principal scientist with the Queensland Centre for Emerging Infectious Diseases. He said a recent study of 3,000 bats from Charters Towers in north Queensland, to Sydney in New South Wales, indicated urine was the most likely link."The study took samples from urine, faeces, saliva, and nasal discharge and the clear evidence was that urine, by far, was the most common source in which the virus was found," Dr Field said."Faeces was further down the line and saliva and nasal discharge were very infrequent."But despite urine being the most likely source of contamination, Dr Field said more information was needed to establish how horses come into contact with it. if you had a horse that was resting or grazing under a tree where flying foxes were feeding, and flying foxes urinate a lot when foraging in trees, there is the potential for that horse stranding underneath to get directly contaminated."It can happen through the nose, the mucus membranes of the eyes or as well horses can ingest some urine on grass."Dr Hume said researchers had also identified which species of flying fox were more likely to pass on the disease, and said horse owners in areas where black flying foxes were common should be most wary. Dr Hume said the study explored three species; red flying foxes, black flying foxes, and grey-headed flying foxes.He said various information over the years made scientists think that not all flying foxes were the same when it came to the Hendra virus risk they posed.But this study into 3,000 animals across three species offered a better understanding, he said."It was abundantly clear that all of the positive detections of Hendra viruses came from black flying foxes and none came from little red flying foxes and none came from grey-headed flying foxes," he said."We know there are antibodies in all of those species, so they all get infected at some stage." The Department of Agriculture said vaccination was the best defence, and everyone should make their own choice. vaccination may be enforced in some cases to prevent death in horses. read more here;http://www.abc.net.au/news/2015-07-27/hendra-urine-queensland/6650128

Friday, October 9, 2015

EBOLA AND THE SEX FACTOR.

The deadly Ebola virus has reared its ugly head again in Liberia just when the country was to be pronounced EBOLA FREE. The latest victim a 44-year old woman died on 27/3/2015, her boyfriend was an Ebola survivor indicating that sexual transmission is a route of infection of the Ebola virus. Research has shown traces of Ebola virus in semen of survivors for at least 82 days after onset of symptoms ,to this end the W.H.O has advised Ebola survivors to abstain from sex during a 90- day period following recovery. The deputy health minister and head of the Ebola response team; Tolbert Nyenswah reiterated the stand of W.H.O and suggested that survivors go a step further until the the pathway of transmission is better understood. He suggested that Ebola survivors consider use of condoms for all sexual acts beyond 3 months. The Ebola virus has been linked to non-human primates such as monkeys and apes, the fruit bats has also been linked as a reservoir host. It has been documented that hunting in deep forest for wild animals(bush meat) and bats ,subsequent preparation and consumption is a major route of infection with the Ebola virus.The management of the sick in terms of cleaning vomitus, diarrhoea and other body fluids is responsible for spread.The burial rites and community -based burial ceremonies has further propagated the spread of the virus across the borders. The contamination of bedding, clothing and surfaces also contribute to spread of virus. The symptoms include fever,vomiting,diarrhoea and hemorrhaging .The bleeding is from all orifices, the diarrhoea and vomitus are also blood tinged. The envelope on the RNA virus is easily disrupted by washing with soap and water,hence hand washing is advocated. The use of alcohol based hand sanitizers has also been proven to inactivate the virus. The use of bleach to decontaminate surfaces,floors and drains is very effective for killing the virus. COMPLACENCY has been identified as the major cause of new cases of Ebola, it will be of paramount importance to be alert and be proactive. KEEP WASHING HANDS,WASH FLOORS/SURFACES WITH BLEACH.VISIT AN HOSPITAL IF YOU HAVE ANY OF THE EBOLA SYMPTOMS AND REPORT TO HEALTH AUTHORITIES IF YOUVE HAD CONTACT WITH PERSON WITH EBOLA,OR HAVE VISITED COUNTRIES WITH EBOLA CASES.

Saturday, September 12, 2015

RABIES AND DOG MEAT.

Rabies is very deadly but can be prevented by vaccination,and in case of exposure to the rabies virus from infected animals post exposure prophylaxis is important.The story below outlines the risk of processing animals such as dogs,cats and bats for consumption.

 Eating dog meat is common in many Asian and African countries, but research conducted as part of the South East Asian Infectious Diseases Clinical Research Network has discovered a potentially lethal risk associated with preparing dog meat: rabies. 

In research published today in the open access journal PLoS Medicine, Dr Heiman Wertheim and colleagues from the National Institute of Infectious and Tropical Diseases and the National Institute of Hygiene and Epidemiology in Hanoi, Viet Nam, report on two patients admitted to hospital showing signs of rabies infection. Neither patient was thought to have been bitten by a rabid animal in the preceding months. Rabies is a very serious – and in nearly all cases fatal – disease. 

It is estimated to kill over 30,000 people each year in Asia, and the number of cases in China and Viet Nam is increasing. Symptoms include agitation, severe spasms, fever, fear of water and inability to drink liquids, and eventually death. Humans are usually infected after being bitten by an infected animal such as a dog or bat.

 When the researchers investigated whether the patients had come into contact with infected animals in the preceding months, they found that both had been involved in preparing and eating animals which may have been infected. In the first patient’s case, he had prepared and eaten a dog that had been killed in a road traffic accident; rabid dogs were known to inhabit the neighborhood.

 The second patient had butchered and eaten a cat that had been sick for a number of days. In both cases seen by Dr Wertheim and colleagues, it is thought that infection occurred during the slaughtering, and not by eating the meat as the meal was shared by others who did not become infected.

 In Asia, it is believed that eating dog meat enhances health and longevity. It is eaten throughout the year in the second half of the lunar month, particularly in the winter months, when it is believed to increase body heat. 
 In Vietnam, dogs with rabies have been detected in dog slaughterhouses and workers at dog slaughterhouses are vaccinated against rabies as part of the national programme for rabies control and prevention. 
However, the private slaughter of dogs is relatively common in the country. Illegal dog and cat meat traders both in Asia and Africa are of particular concern to No To Dog Meat. this area we must focus on to prevent mass rabies outbreak equaling death.
 “We need to alert both the general public and clinicians about the risks around butchering and handling meat,” says Dr Wertheim. “People should not handle animals that may be infected with rabies. 

Rabies can be prevented with a vaccine and people exposed to rabies can be helped with post-exposure prophylaxis, but this needs to be administered as quickly as possible following the exposure. 

Once a person shows symptoms, the disease is almost invariably fatal. “Vietnamese doctors already consider dog slaughtering to be a risk factor for rabies transmission, but it is important that other health care workers and policy makers, both in- and outside Vietnam, are aware of this risk factor.”

 Human health is just as important to ourselves as is animal health. We are creating awareness because we believe that a mass outbreak of food poisoning, rabies or a unique form of (H?N?) mutation forming. Disease is rife as it is within Africa
A third world nation that now has the effects of climate change looming we cannot sit back any longer and allow mass disease outbreak and spread to occur.

Friday, September 4, 2015

HOW RABIES KILLS

' Rabies claims the life of one person every 10 minutes,This is a sad story of how a bat snuffed out the life of Zach Jones. A bird had flown into his room and he got bitten without knowing it, He had the window screens down . He'd woken to find a bat fluttering around his face and a friend who was around just dropped a towel over the bat and threw it out of the window – luckily she didn't come into contact with it at the time or we may have lost her as well. At the time they had no idea that rabies could occur in bats and so we thought nothing more of it.Read what led to his death. Zach was very athletic and loved sport. He was a swimmer and played football regularly. He was very healthy and careful about what medications he put into his body. Looking back, he showed some minor symptoms early on – he had a slight cough and a runny nose – but I put that down to springtime allergies. On May 4 though, he displayed some rabies symptoms. He came home from school and said: "Mom, there's something very wrong with my mind, I can't explain it." He told us that he'd been coming home on the bus and that he'd felt very frightened by the loud noises it was making. He seemed very agitated but the really classic symptom he showed was what we now know as hydrophobia – he tried to drink but he couldn't swallow. He said if he drank the water, he wouldn't be able to breathe. He went to bed that night and at 2.30am he woke up and came to tell me again that there was something very wrong. I switched on the light in the kitchen and he cowered away from it. He said he'd been awake all night and he'd been hallucinating. We took him to the emergency room at around 4am. We had no idea what could be wrong. Zach was transferred to the children's hospital in Houston, where they did some tests. Because he was a teenager they decided he must have taken drugs, but we knew Zach was a good kid and we knew he was not the type to do that. He was then transferred to a mental facility, where they then told us that he was not a mental patient but a medical patient and he did not belong there, so it was back to the hospital. That is why, to this day, I always a led to his death.dvise people to get a second opinion. Unfortunately medical staff are not always right. Early the next morning, the same neighbour of mine who had thrown the bat out of Zach's room came to the hospital. She had suddenly remembered the bat and wondered if it had any significance. The doctor said there was very little chance it had any relevance, but I asked if they could do a rabies test and, two days later, it came back positive. A few days afterwards, on May 12, we lost our son Zach. We know there are many others whose lives have been saved because of Zach. In my husband Larry's family alone, eight members including cousins and nieces have been bitten by bats since Zach died, and because of his story they all knew to get vaccinated. It's so important to educate others about rabies because people, including health officials, don't know that it still exists where we live. Aside from this a lot of doctors tend to play down the threat and try to say the risk is low, and then because of that people do not get vaccinated. The sad thing is that it is completely preventable if people know the facts and get the right medical advice. Larry and I are trying to raise awareness about this in our community. We've set up the Zach Jones Memorial Fund and we have annual fundraisers. The community donates items to be sold for auction, and we also do a golf tournament. Last year we raised $85,000 and we want to use this money to educate people about the dangers of contracting this disease. At the moment we're funding the Texas State Health Department's poster competition about rabies which will help people, especially school children, to be more informed. We have also set up a scholarship in Zach's name to enable kids in the area to go to college. Doing this makes us feel better about what has happened. If we knew then what we know now, Zach would still be alive, but if we can save even one more life by doing this, it makes the pain of losing him a little easier to bear. Rabies is fatal but preventable, vaccinate your pets. stay away from wild animals//stray animals. Bat-proof your homes.

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