UN: Sex transmission of Zika more common than first thought

FILE - In this Feb. 11, 2016 file photo of aedes aegypti mosquitoes are seen in a mosquito cage at a laboratory in Cucuta, Colombia. Congress is ready to act on President Barack Obama’s long-stalled request for emergency funds to combat the Zika virus, which has been linked to serious birth defects and other major health problems. Obama requested $1.9 billion three months ago for several purposes, including creating a vaccine for the disease, taking steps to control the mosquitoes that spread Zika and helping other countries battle the virus. (AP Photo/Ricardo Mazalan, File)

GENEVA (AP) — The U.N. health agency says sexual transmission of Zika is more common than first thought. It is updating its advice to women who have been in areas hit by the virus, telling them to wait even longer to conceive.

The World Health Organization said Tuesday that couples or women planning pregnancy who live in or are returning from Zika-hit areas “are strongly recommended to wait at least eight weeks before trying to conceive” to ensure the virus has cleared their bodies.

Previously, WHO recommended a four-week minimum period before trying to conceive in such circumstances.

The current outbreak of Zika has been linked to microcephaly, a rare defect in which babies are born with abnormally small heads and brain damage, and an unusual paralyzing condition known as Guillain-Barre syndrome .

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