sexual transmission

A Texas man who had traveled to Venezuela passed the Zika virus to his male partner through sex. CDC officials say that people should be aware that Zika can be transmitted through semen.

U.S. health officials say they have confirmed the two women had Zika. And their only risk factor was having slept with male partners who had recently traveled to places with active virus transmission.

The CDC reported the first case of sexually transmitted Zika virus in the U.S. related to the current outbreak. It's happened before. Here's what we know about how the virus could move between people.

A person has been infected through sexual contact, according to Dallas County health officials. Previously, experts had warned the virus was spread through mosquito bites.

A new report says a woman in Liberia very likely contracted the virus after unprotected sex with a man who had survived the disease. The reason may lie in the immune response of the testicles.