The Centers for Disease Control is investigating the cases, which include two women who did not visit outbreak-hit areas.
There have been only two confirmed cases of Zika transmission through sex
Health officials are investigating more than a dozen possible Zika infections in the US that may have been spread through sex.
Fourteen cases, all involving men who visited areas with
Zika outbreaks, are being examined to see if they may have infected
their female partners.The Centers for Disease Control and Prevention (CDC) said the possible cases include two women whose infections have been confirmed.
In four other cases, preliminary tests indicate women had been infected but confirmatory tests are pending.
Eight other cases are still being investigated, the CDC said in a statement.
The agency said there is no evidence that women can spread the virus to their partners, but more research is needed.
The Zika virus is mainly spread by mosquito bites - sexual transmission has been considered rare.
Outbreaks of the virus occurred across most of Latin America and the Caribbean in the last year.
So far, all of the 82 Zika infections diagnosed in the US have involved people who travelled to regions with outbreaks.
Health officials in Brazil are investigating a possible connection between the virus and babies born with brain defects and abnormally small heads - known as microcephaly.
Research is also underway into a possible link between Zika and a paralysing condition in adults called Guillain-Barre syndrome.
It has also recommended that pregnant women postpone trips to more than 30 destinations which have Zika outbreaks.
source: SKY NEWS
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