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Nationwide West Nile Virus Cases Surge, Precautions Urged

9/11/2025

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West Nile Virus Alerts

Illinois reports 42 human cases of West Nile virus (WNV), primarily in Cook County, urging precautions against mosquito bites.
El Paso confirms its first case in an 80-year-old man, prompting community awareness.
Iowa has six reported cases since August, contributing to a nationwide total of 771 cases this year, a 40% increase.
Massachusetts raises its risk level to high with four confirmed cases and 376 positive mosquito samples.
Louisiana reports 29 confirmed cases, with symptoms varying from mild to severe. Health officials stress eliminating standing water and using insect repellent.

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San Diego County Responds

San Diego County detects West Nile virus in mosquitoes from City Heights and Skyline, leading to enhanced monitoring and treatment.
The Vector Control program will inspect and treat mosquito breeding sites while continuing surveillance in affected areas.
No human cases have been reported this year, but officials caution about the virus's severity.
Residents should eliminate standing water and use DEET-based repellents to prevent bites.
The county urges reporting of mosquito activity and dead birds to support control efforts.

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West Nile Virus Alerts

Illinois reports 42 human cases of West Nile virus (WNV), primarily in Cook County, urging precautions against mosquito bites.
El Paso confirms its first case in an 80-year-old man, prompting community awareness.
Iowa has six reported cases since August, contributing to a nationwide total of 771 cases this year, a 40% increase.
Massachusetts raises its risk level to high with four confirmed cases and 376 positive mosquito samples.
Louisiana reports 29 confirmed cases, with symptoms varying from mild to severe. Health officials stress eliminating standing water and using insect repellent.

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