The Centers for Disease Control (CDC) confirmed the first case of "severe" avian influenza, commonly known as bird flu, less than a month after a child in California was diagnosed with the virus.

We've all heard of "the flu" but when it comes to types, subtypes and variants, influenza can get a bit complicated. According to the U.S. Centers for Disease Control and Prevention (CDC), nearly ...

If you are wondering what the different letters and numbers used to name influenza viruses mean, such as H1N1, H3N2, H5N1 and influenza A, B, C or D, you are probably not alone. The letters and ...

Holidays are upon us — and so is the flu. More Americans are getting infected with seasonal influenza and seeking care, according to Centers for Disease Control and Prevention data. “ ...

The bird flu outbreak in the United States is becoming more concerning after a Louisiana man became the first person in the country to die of the virus. The patient, who was over 65 and had ...