The World Health Organization has convened a meeting of researchers and health officials to determine whether the Zika virus should be declared a global health emergency. The WHO predicts the virus, which may be linked to neurological disorders in babies, could infect as many as 4 million people in the Americas this year.
No firm link has been established between the Zika virus and microcephaly, a neurological disorder in which babies are born with abnormally small heads. But it is hard to ignore a possible connection between the virus and this brain disorder, given recent events in Brazil.
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