Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

Respiratory virus season is in full swing across California, with several illnesses spreading across the state. Cases of ...

After battling the deadly COVID-19 virus for over 5 years, the world is now on the verge of witnessing the rise of another ...

If you’ve noticed a surprising number of Aussies sneezing summer, the culprit may be a new influenza strain dubbed “Super-K”.

Six years since the first documented case of COVID-19 outside of China, the virus accounts for just a relatively few serious cases.

The adenovirus is a new strain that attacks the respiratory system, eyes, kidneys and, other organs seemingly in minutes — ...

The CDC says Texas flu is at "very high" levels, as the flu vaccine has been less effective against H3N2 subclade K.

Experts say COVID-era safety provisions are now central to how long-term care homes manage infectious disease.

The spike in flu cases widely referred to in media reports as a "superflu" is largely driven by a newly identified subtype of ...

A particularly infectious subvariant of influenza is keeping emergency room numbers high and causing especially severe ...

Subclade K (previously known as J.2.4.1) is gaining attention because it appears to be spreading much earlier in the flu ...