By Bill Berkrot BOSTON (Reuters) – The risk posed by the Zika virus to developing fetuses is likely far greater than current estimates suggest, a top U.S. health official said on Thursday. Microcephaly, a rare birth defect in which babies develop abnormally small heads, is one of a constellation of Zika-associated problems increasingly being seen in children born to mothers infected during pregnancy with the Zika virus. Other types of birth defects observed include seizures, deafness, blindness and a range of neurological and developmental abnormalities.
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Zika-related birth defects likely higher than anticipated: panel