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A Mysterious Case Of Zika In Utah; Florida Investigating First Possible Case Of Local Transmission03:44
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Larry Smart,  a Miami-Dade County mosquito control inspector, looks at mosquito larva in a sample of water taken from standing water before using a pesticide to eradicate the larva as the county continues to be proactive in fighting a possible Zika virus outbreak on May 26, 2016 in Miami, Florida. Florida Health officials indicate the statewide total of people infected by the disease is 158 with all of Florida's cases being acquired by people traveling outside the country.  (Joe Raedle/Getty Images)
Larry Smart, a Miami-Dade County mosquito control inspector, looks at mosquito larva in a sample of water taken from standing water before using a pesticide to eradicate the larva as the county continues to be proactive in fighting a possible Zika virus outbreak on May 26, 2016 in Miami, Florida. Florida Health officials indicate the statewide total of people infected by the disease is 158 with all of Florida's cases being acquired by people traveling outside the country. (Joe Raedle/Getty Images)
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The Centers for Disease Control and Prevention said this week that it does not know how a man in Utah got the Zika virus. He didn't travel outside the U.S., or have sex with anyone who had Zika, and the mosquitos that carry the virus don't typically live in Utah. So far, his only known contact with the virus was in caring for his elderly father, who had contracted Zika while traveling.

Also this week, the Florida Department of Health announced it's investigating its first possible case of local transmission of the virus. Here & Now's Meghna Chakrabarti gets the latest from Helen Branswell, who covers infectious diseases and public health for STAT, the national health and medicine publication.

Guest

Helen Branswell, who covers infectious diseases and public health for STAT, the national health and medicine publication. She tweets @HelenBranswell.

This segment aired on July 20, 2016.

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