The Contra Costa Mosquito and Vector Control District confirmed that a second American crow from Walnut Creek tested positive for West Nile virus. This virus is transmitted to birds through infected mosquito bites and can be passed to humans. Symptoms of West Nile virus infection can be severe, including fever and disorientation. Residents are encouraged to report any dead birds they encounter to assist in monitoring the virus and can request mosquito services for their properties through designated phone numbers.
The Contra Costa Mosquito and Vector Control District reported a second bird, an American crow from Walnut Creek, tested positive for West Nile virus. Birds are significant carriers.
West Nile virus is transferred to birds via infected mosquito bites and can subsequently infect humans through bites from these animals. Serious symptoms include fever and disorientation.
Residents of Contra Costa County are urged to report dead birds by calling (877) WNV-BIRD and can request residential mosquito service at (925) 685-9301.
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