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MIAMI, FL - AUGUST 12:  A plane sprays pesticide over parts of the city of Miami in the hope of controlling and reducing the number of mosquitos, some of which may be capable of spreading the Zika virus on August 12, 2016 in Miami, Florida. The CDC has advised pregnant women to avoid the Wynwood neighborhood of Miami where the majority of the 25 cases of people with the Zika virus have been found.  (Photo by Joe Raedle/Getty Images)
MIAMI, FL - AUGUST 12:  A plane sprays pesticide over parts of the city of Miami in the hope of controlling and reducing the number of mosquitos, some of which may be capable of spreading the Zika virus on August 12, 2016 in Miami, Florida. The CDC has advised pregnant women to avoid the Wynwood neighborhood of Miami where the majority of the 25 cases of people with the Zika virus have been found.  (Photo by Joe Raedle/Getty Images)

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    CDC: Pregnant women should avoid part of Miami Beach

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CDC: Pregnant women should avoid part of Miami Beach

The CDC is now telling pregnant women and their partners that they should reconsider traveling to Miami-Dade County. CNN's Elizabeth Cohen reports.

CDC: Pregnant women should avoid part of Miami Beach

The CDC is now telling pregnant women and their partners that they should reconsider traveling to Miami-Dade County. CNN's Elizabeth Cohen reports.