The St. Louis encephalitis virus — similar to West Nile virus — has been detected in Utah's mosquitoes, the Salt Lake County Health Department announced Wednesday.

The West Nile Virus has been detected in a mosquito sample in Mercer County, and residents are advised to take extra precautions to reduce mosquito breeding habitat and prevent bites.

Health officials are urging you to take several precautions to protect yourself from the virus.

A deadly malaria-like “sloth virus” has been detected in Britain for the first time, triggering a warning from the UK ’s health watchdog to those with symptoms to seek urgent medical help.

Mosquitoes carrying West Nile Virus were detected at Beardsley Zoo, Barnum Boulevard and Seaside Park in Bridgeport, according to city officials.

State officials are warning the public after mosquitoes near Three Island Crossing State Park, in Glenns Ferry, tested positive for the West Nile virus.

Health News Madison County to spray 11,500 acres with pesticide after EEE virus detected in mosquitoes Updated: Aug. 16, 2025, 8:07 a.m. | Published: Aug. 13, 2025 ...

Naperville city officials are urging residents to be cautious after two mosquito traps tested positive for West Nile virus.

City officials are warning the public after West Nile Virus was detected at two Bridgeport attractions.

Mosquito samples collected in East Providence, Westerly and West Greenwich have tested positive for West Nile virus.

Tracing operations are underway to determine the potential distribution of potato mop-top virus after a second case in a month has been detected in the state.