CDC map illustrates areas affected or possibly affected by the spread of Zika virus
Will Zika virus spread to U.S.?
Several cases of Zika virus have emerged in the U.S., but Dr. Anthony Fauci says those people were bitten while traveling abroad and the virus is not spreading within the United States.
02:25 - Source: CNN
Diseases, viruses and infections 16 videos
CDC map illustrates areas affected or possibly affected by the spread of Zika virus
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The cholera epidemic that started in 2010 has infected some 800,000 and killed nearly 10,000 people.  / AFP / HECTOR RETAMAL        (Photo credit should read HECTOR RETAMAL/AFP/Getty Images)
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