Studies suggest that people who had seasonal flus or vaccinations have low antibody levels against H5N1 bird flu.

Bird flu, for the moment, appears to be under control. But experts have a warning for federal and state health officials.

The fatality rate for H5N1 highly pathogenic avian influenza in humans has historically been high, with more than half of ...

Doctors and infectious disease experts stress that flu vaccines are safe, and they are especially important for older adults ...

In unpublished research, researchers found live virus on equipment, in wastewater and in the air in so-called milking parlors ...

Arizona sees flu cases late into the year because many people gather inside to get out of the heat. One Valley doctor talks ...

By Isabel Demetz and Patricia Weiss (Reuters) -Dialysis specialist Fresenius Medical Care missed analysts' earnings forecasts ...

The number of strains that can be added into seasonal influenza vaccines is limited. Because cases of people infected with H5N1 are minimal, population-level vaccination is not currently necessary.

Cases of seasonal flu infection, pneumonia flare up in children ...

It is possible, experts say, that COVID-19 could become a seasonal illness, like the flu. Virologists call this an "endemic" disease -- one that is constantly circulating among us.

Jan. 3, 2006 — -- The Centers for Disease Control and Prevention in Atlanta tracks national flu activity on a weekly basis. After a quiet start to the annual flu season, which runs through ...