Following a national trend, 52 counties in Florida saw increasing cases of influenza A driven by a new mutation called ...

Everyone loves a little holiday magic, but what no one wants is a holiday sickness. Numbers from the U.S. Centers for Disease ...

Health officials are warning people about a flu virus called H3N2 that is spreading in the United States and other countries ...

Health leaders are raising concerns about subclade K, a variant of influenza A that has mutated from the original H3N2 strain ...

Johns Hopkins experts attribute low RSV numbers to population immunity and new vaccines, while warning about a potentially ...

Ahead of the holiday tourist rush, city health officials in New York City reported nearly 14,000 flu cases in the first week of December.

The mutation, known as subclade K, has already caused a surge in flu cases in Australia, Canada, Japan, and the U.K.

Last year’s flu season was the roughest in nearly a decade. “We generally don’t have two bad flu seasons back to back,” said ...

An MU Health Care infectious disease specialist said there is no indication that subclade K causes more severe illness than ...

Known as subclade K, a new, mutated flu strain that has dominated in Europe and Asia is now rapidly spreading across the US.

Also in health news, new data shows education level creates the largest gap in cancer death rates across all demographics.

A new version of the common flu is spreading globally. Virus evolutions are normal, and this one is not necessarily believed ...