Zika Cases Likely Transmitted Locally in U.S. for the First Time, Officials Say
- CDC director says widespread U.S. transmission is unlikely
- State health officials investigate 1-square-mile area of Miami
Zika Virus: What You Need to Know in Two Minutes
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U.S. health officials said Friday that four cases of Zika virus were transmitted locally by mosquitoes in Miami, the first evidence of the virus spreading that way in the continental U.S.
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