Reported case of Zika virus through possible sexual transmission Thursday, 4 February 2016

Source: The Guardian 

Officials in Texas have reported the first case of Zika contracted in the US mainland, and said that the virus was sexually transmitted. If confirmed, the case would be only the second documented example of the virus being passed between humans through sexual contact.

Officials at the Centers for Disease Control and Prevention confirmed the Zika infection, while Dallas County officials said they performed the "public health follow-up" to determine that the infection was sexually transmitted.

"Based on what we know now, the best way to avoid Zika virus infection is to prevent mosquito bites AND to avoid exposure to semen from someone who has been exposed to Zika virus or has been ill from Zika virus infection," the CDC wrote. It is unclear how long the virus may linger in men's semen after virus symptoms subside.

The CDC spokesperson further added, "We have not made recommendations regarding sexual transmission of Zika virus." Just a few days earlier, the CDC had emphasized that current science only allowed for the "plausibility of spread" through sexual contact, but that mosquitoes were still the most likely source of infection.

"There is one reported case of Zika virus through possible sexual transmission," Dr Anne Schuchat, CDC deputy director, said in a press briefing on Zika on 28 January. "That gives you the plausibility of spread, but the science is clear to date that Zika virus is primarily transmitted to people through the bite of an infected mosquito."

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