Miami-Dade County Mosquito Control inspector Sharon Nagel peers into a drain in Miami's Wynwood district to detect any mosquito presence on Saturday morning, July 30, 2016. A day earlier, Florida Gov. Rick Scott said that the Zika virus is being transmitted by mosquitoes in a one-square-mile area north of downtown Miami in Wynwood. Miami-Dade's mosquito control operations are being done to combat Zika.
Miami-Dade County Mosquito Control inspector Sharon Nagel peers into a drain in Miami's Wynwood district to detect any mosquito presence on Saturday morning, July 30, 2016. A day earlier, Florida Gov. Rick Scott said that the Zika virus is being transmitted by mosquitoes in a one-square-mile area north of downtown Miami in Wynwood. Miami-Dade's mosquito control operations are being done to combat Zika. MARSHA HALPER mhalper@miamiherald.com
Miami-Dade County Mosquito Control inspector Sharon Nagel peers into a drain in Miami's Wynwood district to detect any mosquito presence on Saturday morning, July 30, 2016. A day earlier, Florida Gov. Rick Scott said that the Zika virus is being transmitted by mosquitoes in a one-square-mile area north of downtown Miami in Wynwood. Miami-Dade's mosquito control operations are being done to combat Zika. MARSHA HALPER mhalper@miamiherald.com

No new Zika cases in Florida on Wednesday; NIH explores vaccine

August 03, 2016 5:11 PM