Flu season intensifies as the new H3N2 variant causes severe illness worldwide. Experts urge vaccination, hand-washing and ...

The UK is facing a surge of hospitalizations fueled by the novel variant subclade K. And the U.S. is likely next.

The latest data on respiratory illness in the United States shows that shoppers and merry-makers are spreading more than just ...

Mexico has confirmed its first case of influenza A(H3N2) subclade K, a variant commonly referred to as the "super flu," ...

Medical experts say getting a yearly flu vaccination is the best way to prevent flu and its potentially serious complications ...

Louisiana, Colorado, and New York are among the states with the highest number of influenza-like illness (ILI) symptoms, a ...

A new mutation of influenza is causing an increase in flu cases and hospitalizations in Texas and across the country early in this year’s flu season.

Concerns about the spread of influenza are growing in the U.S. as the U.K. sees a flu surge in children and young adults.

So far, just 36 percent of U.S. children have been vaccinated—down 23 percent from a half-decade earlier, likely due to ...

The prime minister says it would be "reckless" for resident doctors to strike with the NHS at a "precarious" moment.

The “subtype” of flu that is dominant this year, called influenza A/H3N2, has been around since 1968 and there have been over ...

NHS Dumfries and Galloway has restricted hospital visits as part of efforts to stem rising flu and norovirus cases in the ...