Correction: Zika-Florida story

DORAL, Fla. (AP) - In stories Aug. 4 and Aug. 8 about Zika infections in Florida, The Associated Press reported erroneously the size of the area where the infections occurred, based on statements made at an Aug. 4 news conference by the director of the U.S. Centers for Disease Control and Prevention. The CDC has corrected the size to an area with a 500-foot radius; not a 500-square-foot area.

A corrected version of the story is below:

CDC director: Miami mosquitoes succumbing to aerial sprays

The head of the U.S. Centers for Disease Control and Prevention says aerial spraying of the insecticide naled is killing many mosquitoes in a Miami neighborhood where the insects apparently transmitted Zika to 15 people

DORAL, Fla. (AP) - The head of the U.S. Centers for Disease Control and Prevention says aerial spraying of the insecticide naled is killing many mosquitoes in a Miami neighborhood where the insects apparently transmitted Zika to 15 people.

Dr. Tom Frieden says aerial spraying that began Thursday quickly killed adult mosquitoes that pesticides on the ground couldn't reach.

Puerto Rico's governor wouldn't authorize naled's use because of environmental concerns, despite widespread Zika infections there. Frieden says minuscule amounts sprayed at dawn and dusk have no effect on people.

Frieden says Miami's infections were limited to a small area within a 1-square-mile zone that encompassed the Wynwood neighborhood. Gov. Rick Scott says a 10-block corner of that area has been cleared of active infections.

Florida's Department of Health says there's no evidence of mosquitoes transmitting Zika elsewhere in Miami.