New York City health officials report woman-to-man Zika Infection.

A report from the Morbidity and Mortality Weekly Report{MMWR) the first case of sexual transmission of zika virus from a woman to man in New York. The unnamed woman engaged in sexual act{vaginal intercourse) without condom with a male partner the day she returned to NYC from travel to an area with ongoing Zika virus transmission . A week later, the male partner also developed Zika symptoms, including fever, rash, joint pain, and conjunctivitis.By this time, the woman had already tested positive for Zika infection, and subsequent testing in the man confirmed that he, too, had contracted the virus. The man appeared to have no other opportunity to acquire the infection,the researchers concluded that it must have been transmitted during the sex act.“This case represents the first reported occurrence of female-to-male sexual transmission of Zika virus,” the researchers wrote in MMWR. They noted that other studies had identified the virus in the genital tract of infected women, and called for more research “to determine the characteristics of Zika virus shedding in the genital tract and vaginal fluid of humans.” The CDC, which publishes MMWR, said it is “currently updating recommendations for sexually active people in which the couple is not pregnant or concerned about pregnancy and for people who want to reduce personal risk of Zika infection through sex.”