Person dies from tick-borne virus in Bayfield County The patient was one of three Powassan virus cases reported in Wisconsin so far this year, all of which required hospitalization.

The Centers for Disease Control and Prevention confirmed Illinois' first human case of the West Nile virus of 2025. Find out more.

Four European travel hotspots have experienced an outbreak of the liver infection hepatitis A, leaving thousands sickened and nine dead.

The survivors in "28 Years Later" have to contend with dangerous new variants of the infected in Danny Boyle's sequel.

West Nile virus has been confirmed in samples from 17 Illinois counties so far this year, according to the IDPH. Find out where.

Mid-June is earlier than we typically first find West Nile virus-infected mosquitoes in Massachusetts, health officials say.

Fiona Havers, who oversaw CDC respiratory virus data, told colleagues she no longer had confidence the data would be used objectively to set vaccine policy.

Mosquitos caught in Colton tested positive for West Nile virus, San Bernardino County officials have announced. “West Nile virus can cause a serious illness in humans; therefore, I urge ...

More mosquitoes have tested positive for West Nile Virus in the north suburbs, this time in Niles, Illinois health officials said.

Researchers have tracked how the COVID-19 virus mutates long term, revealing patterns that could help predict the emergence of future variants.

Canton City Public Health said a mosquito sample trapped in the 2200 block of Sandwith Avenue SW tested positive for West Nile virus.

A case of travel-related Zika virus has been detected on the Hawaiian island of Oahu, prompting the Hawaii Department of Heath to release guidance for travelers.