Pikesville and Catonsville are the next area locations to be sprayed for mosquitoes in response to cases of West Nile Virus, Baltimore County Department of Health officials said Friday.

The Maryland Department of Agriculture will spray parts of Pikesville Sept. 18 and parts of Catonsville Sept. 19. Officials recommend residents and their pets stay inside during the spraying, after 7:30 p.m., of Biomist 30-30, though the active ingredient permethrin is approved by the U.S. Environmental Protection Agency.

Mosquitoes can carry many diseases, including West Nile Virus. It's transmitted through the bite of a mosquito that has fed on an infected animal. Most people infected have no symptoms or mild flu-like symptoms, but the virus can be fatal.

So far this year, there have 25 cases of West Nile Virus in Maryland adults, including two deaths, according to the state Department of Health and Mental Hygiene.

County and state officials recommend protection from mosquitoes by using repellents, avoiding infested areas, avoiding outdoor activities at dawn and dusk, wearing long pants and long-sleeved shirts and hats, repairing damaged screens and draining standing water.

Meredith.cohn@baltsun.com

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