October 4, 2023

CONTRA COSTA COUNTY — A 3rd useless chicken and a 3rd group of mosquitoes have examined optimistic for West Nile virus, the Contra Costa Mosquito and Vector Management District stated Friday. The discoveries mark the most recent in a string of contaminated animals and bugs throughout the Bay Space.

The chicken was present in Oakley, whereas the mosquitos have been trapped in Brentwood. Earlier within the day, officers in Napa County additionally stated that they had confirmed West Nile amongst mosquitos in Calistoga. The bulletins come after Contra Costa County officers discovered the virus amongst two teams of mosquitos from Discovery Bay and two useless birds from Martinez and Brentwood final month.

“Statistically, that is the time of 12 months once we sometimes see the best danger of human instances,” Steve Schutz, the district’s scientific applications supervisor, stated in a information launch.

West Nile may be transmitted to animals and folks by way of a mosquito chew. Usually, the virus solely causes gentle, flu-like signs, however older adults and people with weakened immune techniques can have extra extreme reactions. It could often trigger meningoencephalitis, the irritation of the mind and spinal wire, in response to the Contra Costa Mosquito and Vector Management District.

The district stated residents can defend themselves by sporting an insect repellent registered by the Environmental Safety Company or these containing DEET, Picaridin, IR3535 or the repellent model of oil of lemon eucalyptus. Residents are additionally inspired to dump out standing water, scrub any containers of standing water to take away mosquito eggs, and guarantee door and window screens are working correctly.

There isn’t a vaccine or therapy for West Nile virus.

Contra Costa Mosquito and Vector Management District officers are actually conducting elevated surveillance within the areas the place the chicken and mosquitos have been discovered.