New York Times
WHO Tightens Sex Advice for Visitors to Zika Areas
… can be transmitted sexually, the World Health Organization on Tuesday recommended that all travelers — male and female, with symptoms or no symptoms — practice safe sex or abstinence for six months after returning from areas where Zika is spreading.
Health|WHO Clarifies Advice on Sex and Pregnancy in Zika Regions
WHO expands Zika sexual transmission advice
Been in a Zika zone? Safe-sex practices advised even if you feel fine