The Mail has recruited leading virologists, epidemiologists and pandemic planners to imagine the kind of scenario that might ...

In terms of its effectiveness in preventing deaths, our analysis of the data shows that influenza vaccination is able to ...

Flu activity remains high in most parts of the United States as a winter wave of respiratory illness sweeps across the ...

What is H5N9 and how is it different from H5N1? Scientists classify bird flu viruses by which kind of two key proteins are ...

Respiratory syncytial virus usually causes mild, cold-like symptoms in most people and is the leading cause of infant ...

The spread of H5N1 into new species alarms researchers who say it could reassort in a new species, like pigs, leading to more ...

Not long after the Illinois Department of Health announced the state’s overall respiratory illness cases had reached the ...

Over 160,000 people this season have landed in the hospital from flu complications, CDC estimates. More than 6,600 have died. Here are the symptoms.

Health officials urged people to identify avian flu symptoms early and properly cook chicken and eggs to limit risk of ...

The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to the World ...

The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.