WCBE

Encephalitis

This summer, scientists in California are releasing 20 million mosquitoes in an effort to shrink the population of mosquitoes that can carry diseases.

It sounds counterintuitive. But the plan is to release millions of sterile male mosquitoes, which will then mate with wild female mosquitoes. The eggs the females lay won't hatch, researchers say.

cdc.gov

Delaware County health officials say an Ashley resident has been hospitalized with symptoms of La Crosse Encephalitis. 

The state veterinarian says four horses in northeast Ohio have died of eastern equine encephalitis, a mosquito-borne illness that also can affect humans. 

Columbus Public Health officials are spraying for mosquitoes today and Wednesday.