The covid-19 pandemic opened the door to once-controversial human challenge trials. Now, volunteers are willingly catching ...

A new flu variant called subclade K is gaining attention as doctors warn it could lead to a tougher flu season this winter.

Despite a relatively slow start to the flu season, U.S. schools are preparing for an increase in absences and sick children as a new variant gains momentum. The flu vaccine for the ...

Seasonal flu and norovirus are circulating right now. But which illness do you have? Doctors share what to look for when ...

Almost two dozen Texas horses have tested positive for equine herpesvirus. Commonly known as EHV-1, it is highly contagious ...

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

If you’ve noticed a swell of coughs and sneezes echoing throughout the city of late, you’re not alone. While viruses may seem particularly prevalent this year, the Eastern Ontario Health Unit CEO and ...

Currently, no state requires the flu vaccine for kids to go to school, and last year, flu vaccinations among students were ...

Fever slows seasonal flu by blocking viral replication, but bird-flu strains resist heat. New research reveals why—and what ...

Researchers discovered why bird flu can survive temperatures that stop human flu in its tracks. A key gene, PB1, gives avian viruses the ability to replicate even at fever-level heat. Mice experiments ...

A highly contagious virus that spread rapidly across New York City last winter may make a resurgence. Sometimes referred to ...

The Chenango County Health Department said flu and RSV are more common in the winter months because people are spending more time inside, making it easier for the viruses to spread. When one person in ...