Zika may stand convicted of causing devastating birth defects but there still are lots of questions about how much of a threat the virus poses to pregnant women, and what to do about it. The main advice for pregnant women here is to avoid travel to Zika-affected parts of Latin America or the Caribbean. Here are some questions and answers about what experts know, and need to learn, as the first mosquito-borne virus known to cause birth defects spreads. Q: Just what birth defects can Zika cause? A: Zika had been considered a nuisance virus until a massive outbreak began last year in...
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