New research highlights the lifesaving impact of flu vaccines, showing significant reductions in ICU admissions and mortality ...

The US is in the throes an unusually intense and severe flu season, with hospitalization rates topping the levels seen with ...

Influenza A viruses come in many varieties. Four subtypes commonly affect humans, Dr. Lowen said — you may have heard of H1N1, for example. But many more influenza A viruses have been identified ...

Thailand's Public Health Ministry has warned that the incidence of influenza is spreading rapidly, with four provinces in the ...

It's flu season, but not all influenza is the same. If you're feeling sick, it helps to know the difference between flu A and ...

The worst flu season in years is swamping California, prompting a renewed surge in hospitalizations as officials warn the ...

Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic, according ...

While levels of one respiratory virus have reduced significantly in NC since January, the risk of contracting a respiratory ...

Influenza A is divided into subtypes based on two proteins on the virus's surface: hemagglutinin and neuraminidase. These lead to different combinations—with H1N1 and H3N2 presently the most ...

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.