west nile virus california

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West Nile virus, California

Highest number of West Nile cases in a day reported in these California counties

West Nile virus activity is on the rise in some northern California counties, according to the Sacramento-Yolo Mosquito and Vector Control District. Three dead birds and 13 mosquito samples tested positive for the virus on Aug. 13, “the highest number of positive results reported in a single day this year,” the agency said in a news release.

· 1d · on MSN

First human West Nile virus infection confirmed in Northern California

· 1d · on MSN

Butte County confirms first human case of West Nile virus in 2025

1don MSN

West Nile virus-infected crow found in East Bay

A crow from Walnut Creek has tested positive for West Nile virus (WNV) in Contra Costa County, confirmed the Contra Costa ...

The Modesto Bee on MSN1d

Aerial spraying over north Modesto Friday night to combat West Nile Virus

Insecticide will be sprayed from an airplane over a north Modesto community Friday night to combat a growing presence of ...

Medical Xpress25d

West Nile virus found in mosquito samples in California's Orange County

West Nile virus is the leading cause of mosquito-borne disease in the continental U.S., according to the U.S. Centers for Disease Control and Prevention, and is most commonly spread to people ...

3don MSN

No need to panic, but West Nile threat very real, Manitoba health expert says

Health experts say a confirmed case of West Nile Virus is connected to someone who travelled outside of Manitoba, but that ...

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