West Nile Virus has been detected in mosquito samples in western Massachusetts, with no human cases reported so far, but those over 50 are at higher risk of infection.

Jamestown Canyon virus has been detected in a batch of mosquitoes tested in New Castle.

NEW CASTLE — Jamestown Canyon virus has been detected in a batch of mosquitoes tested in town by New Hampshire health officials. The testing occurred July 3 in town, according to Ted Hartmann ...

With one Georgia case so far in 2025, Fulton County officials are warning residents after mosquitoes tested positive for West Nile virus in Atlanta.

Philadelphia health officials are warning residents after West Nile virus was found in mosquitoes in Northeast Philadelphia earlier this month.

There have been three human cases of West Nile Virus in California this year, with one fatal case, according to the California Department of Public Health.

West Nile virus has been detected in mosquitoes in New York City, but no human cases have been reported in the city so far in 2025.

West Nile virus found in another Utah county — earlier than ever before Positive mosquito pools have been detected nearly a month ahead of past seasons in the area.

West Nile Virus has been detected in mosquito samples in western Massachusetts, with no human cases reported so far, but those over 50 are at higher risk of infection.

Doctors urged to look for West Nile virus symptoms in patients near Philadelphia after a positive case was detected in the city.

Samples collected from West Roxbury and Hyde Park are the first to test positive for West Nile Virus in Boston this summer.