Zika Virus Transmission From Woman to Man Reported for First Time, CDC Says

The virus was previously known to be transmitted from men to their partners.

While the Zika virus has been known to spread through sexual contact, all previously reported cases occurred from an infected male to his partner. While the symptoms of the virus usually resolve in about a week, the virus has been found to survive in semen for weeks after infection, leading to additional concerns about sexual transmission of the virus.

The CDC has recommended that pregnant women avoid travel to areas with ongoing Zika transmission.