"We're having a spike of flu definitely," Dr. Pilar Delgado told CBS News Miami.

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

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

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

In today’s Health Alert, flu season is officially underway, with doctor visits for fever and cough climbing fast.  A new flu ...

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

The CDC has issued updates for the week ending November 29.

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.

Measures were announced by the Frimley Health NHS Trust last week in an attempt to combat illness.

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

According to one emergency medicine physician at DCH Regional Medical Center, the hospital is starting to see a rise in flu ...