"Less than 1 percent of people who are bitten by an infected mosquito will exhibit any disease," he said.

At the very base, there are lots of people who may be bit by infected mosquitoes.

Symptoms begin abruptly from three to six days after the bite of an infected mosquito.

Seven people died last year, and 62 others became seriously ill as a result of being bitten by infected mosquitoes.

You can get it from a bite by an infected mosquito.

In the study, each patient received bites from 10 infected mosquitoes.

Those were not the first infected mosquitoes to be found in the New York region.

But far greater numbers of people bitten by infected mosquitoes never know they have been exposed.

Yellow fever is caught from the bite of an infected mosquito.

Generally, people only become sick through the bite of an infected mosquito.