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The World Health Organization has advised pregnant women not to travel to areas in Latin America affected by Zika because of growing evidence of a link between the virus and birth defects. Zika, which is transmitted by mosquitoes, has been linked to a big rise in microcephaly, a condition causing underdeveloped brains in babies. The advice comes just five months before Brazil is due to host the Olympic Games. The WHO also said reports from several countries show sexual transmission of the virus is more common than previously thought.

　　世卫组织发表声明，建议孕妇不要前往拉美寨卡高发区旅行，大量证据表明，寨卡病毒与出生缺陷有关，寨卡由蚊虫传播，且与激增的头小畸型症相关，该疾病能够造成大脑发育不良。距离巴西奥运会还有短短五个月时间。世卫组织表示，多国报道的性传播病例比预期设想更为普遍。

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