FILE - In this Sept. 28, 2016 file photo, Jose Wesley Campos, who was born with microcephaly, cries during a physical therapy session at the AACD rehabilitation center in Recife, Brazil. The Zika virus may not seem as big a threat as last summer but don't let your guard down, especially if you're pregnant. While cases of the birth defect-causing virus have dropped sharply from last year's peak in parts of South America and the Caribbean, Zika hasn't disappeared and remains a threat for U.S. travelers. (AP Photo/Felipe Dana, File)
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