Two new reports call into question advice on how long men have been infected with Zika virus should wait before trying to have a child.
On Thursday, scientists described two cases in which the semen of men who contracted Zika in Haiti earlier this year were positive for the virus, even though it has been six months since they were infected.
Semen one tested positive 188 days after the disease symptoms experienced for the first time. Tests on day 181 were positive for the other man. Both men are still being followed. Previously, the longest period in which evidence of virus was observed in the semen of a man infected with Zika was 93 days.
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The reports were published in the online journal Eurosurveillance , a publication of European Centre for Disease Prevention and Control Diseases.
the World Health Organization and the Centers for Disease Control and Protection currently recommends that men who have had symptoms of Zika not intended to be father of a six months after his illness. They also suggest that men who have been a bad practice safe sex or abstinence if your partner is pregnant.
The CDC said it was aware of new reports and is reviewing the issue to see if guidance should be altered.
“We want to make more informed as quickly as possible recommendation on the basis of a thorough evaluation of the available science,” Dr. John T. Brooks, a principal medical adviser to the division of HIV / AIDS, STAT said.