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NYC reports first female-to-male Zika transmission

Health officials said the timing and sequence of events support female to male Zika virus transmission through unprotected sex.
An anti Zika virus kit, including a bug net, mosquito repellent, condoms, literature Reuters

New York City's health department on Friday reported the first female-to-male transmission of theZikavirus, which is most typically spread by the bite of an infected mosquito.

Transmission of the virus occurred on the day that a woman in her 20s returned to New York from an area with activeZikatransmission and had a single event of unprotected sex with a male partner. The man had not traveled outside of the United States in the prior year.

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The woman developed fever, fatigue a rash and body aches the next day and sought treatment. Health department officials then confirmed her infection. When her male partner developed symptoms seven days later and sought treatment from the same caregiver, he, too, was diagnosed withZika.

Health officials from New York, who reported the case in the U.S. Centers for Disease Control and Prevention's weekly report on death and disease, said the timing and sequence of events support female to maleZikavirus transmission through unprotected vaginal sex.

The CDC said it recommends that all pregnant women who have a sex partner who has traveled to or resides in an area withZikause barrier methods every time they have sex or they should not have sex during the pregnancy. Although no cases of woman-to-womanZikatransmission have been reported, these recommendations now also apply to female sex partners of pregnant women.

U.S. health officials have concluded thatZikainfections in pregnant women can cause microcephaly, a birth defect marked by small head size that can lead to severe developmental problems in babies.

The World Health Organization has said there is strong scientific consensus thatZikacan also cause Guillain-Barre, a rare neurological syndrome that causes temporary paralysis in adults. The connection betweenZikaand microcephaly first came to light last fall in Brazil, which has now confirmed more than 1,600 cases of microcephaly that it considers to be related toZikainfections in the mothers.

 

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