«Despite the daily use of spraying, the vector control experts there were still seeing new larval mosquitoes and moderately high Aedes
aegypti counts, which is not something that we had hoped to see,» Frieden said.
Florida has been spraying insecticides daily, but mosquito control experts are still seeing new larval mosquitoes and «moderately high»
counts of Aedes
aegypti, a species known to carry Zika.