A new mosquito species in Colorado is capable of carrying dengue, yellow fever and Zika, while kissing bugs can now carry parasites that cause Chagas disease.

With 87 cases of West Nile virus reported in 2025, South Dakota seems to have avoided the widespread outbreak experts ...

Human cases of West Nile virus in Lancaster County reached a 20-year high this year as the typical season for transmission has come to a close, with one local resident likely among a handful of deaths ...

In a news release from the South Dakota Department of Health, there were 87 cases and four deaths in 31 counties. Seven counties had positive pools of mosquitoes that carried West Nile, as of October ...

Maryland health officials confirmed a human death from West Nile virus in Western Maryland in 2025. The virus is transmitted to humans by mosquitoes that have fed on infected birds. Most people ...

René van den Berg of Ontario, Canada, was hospitalized for 11 days after contracting West Nile virus, a mosquito-borne illness on the rise in the US. He is now issuing a warning to others.

The Texas Department of State Health Services reported a human case of West Nile virus was confirmed in Potter County, adding to the list of confirmed instances of virus activity in the Texas ...

The number of mosquitoes infected with potentially deadly viruses has been increasing in Luzerne County, researchers have found. Staffers with Luzerne Conservation District’s Mosquito-Born Disease ...

It was thought that Aedes aegypti could not survive in the Mountain West. But now, a population is thriving in Colorado.

Neither the VDH nor the CDC are any longer reporting COVID fatalities or total cases in Vermont or in the US. The ...

However, as climate change allows Aedes aegypti to move northward, survive at higher elevations and stay active for longer ...

The Aedes aegypti mosquito that can carry dengue was thought to be too reliant on a hot and wet climate to survive in the ...