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Sunday, July 8, 2018

Cattle may spread leptospirosis in Africa.

A study has shown that cattle may spread leptospirosis in Africa. The bacterial infection leptospirosis is increasingly recognized as an important cause of fever in Africa. Now, researchers reporting in PLOS Neglected Tropical Diseases have analyzed the major risk factors for contracting leptospirosis and discovered that rice and cattle farming are associated with acute infection. Leptospirosis, caused by bacteria of the genus Leptospira, causes a wide range of symptoms and can lead to serious complications include kidney and liver problems. In one study conducted in northern Tanzania, 8.8% of people with severe fevers had leptospirosis. Scientists know that animals can carry leptospirosis and lead to its spread throughout the environment or directly to humans. However, the major animal reservoirs and modes of transmission have not been well described. Rice farming, cleaning cattle waste, feeding cattle and farm work were all positively associated with acute leptospirosis. Smallholder farming -- which may be associated with substantial exposure to both livestock and rodents -- as well as frequent sightings of rodents in one's kitchen or food store -- was associated with seropositivity. see

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