The United States may be heading into its second severe flu season in a row, driven by a mutated strain called subclade K ...

With a new flu virus variant circulating, scientists fear more sickness this winter. The vaccine may be slightly less ...

That late spike in the H3N2 subtype of influenza A comes amid warnings that mutations of the virus overseas are behind an ...

In Asia, the flu is spreading fast. An H3N2 strain called subclade K appears to be the dominant version spreading in other ...

Health officials in the United Kingdom are warning that this year’s flu season for the Northern Hemisphere is looking like it ...

Twice a year (once for each hemisphere), the World Health Organization convenes an expert panel to decide, based on the ...

Flu season is beginning, but do Canadians really need a shot amid new reports of a mutating strain? One doctor advises that ...

This year's flu shot may not be an exact match for circulating strains, but public health experts say to get vaccinated ...

Experts say this flu season could be a particularly bad one, and even though the flu shot isn’t perfect this year, kids ...

Microbiologist explains that there are already data warning signs that this winter could be one of UK's worst for seasonal flu.

E xperts warn that flu season, which typically runs from October to May in the U.S., is slated to be worse than usual this ...