This year's influenza season, dubbed "moderately severe" by health care officials, has hit the United States hard, with the number of recorded cases of the disease in parts of the country up more than ...

Medically reviewed by Alicen Nelson, MD, MPH You may have heard the term H3N2 in the news or read about it online. But ...

Add Yahoo as a preferred source to see more of our stories on Google. The new influenza strain, H3N2, continues to spike. This influenza season has caused record-breaking hospitalization and infection ...

The US FDA’s vaccine advisors have recommended that three new influenza strains be included in next winter’s influenza vaccine, aiming in part to tamp down illness caused by subclade K, a mutated form ...

Add Yahoo as a preferred source to see more of our stories on Google. 1. Experts believe the flu may have peaked, but we need to remain vigilant While the flu will be circulating for several more ...

BRYAN, Texas (KBTX) - With flu cases reaching the highest levels across the United States in 25 years, many are concerned about what it could mean for their health. The strain of the virus ...

A fast-moving influenza strain nicknamed the "Super-K" flu is catching the attention of scientists and health authorities. Subclade K, a branch of the H3N2 influenza family, has appeared much earlier ...

Global health officials mandate a new flu vaccine to combat a late-emerging, severe H3N2 variant, as current shots proved 37% ...

Flu activity in Texas has reached a “very high” level for the first time this season, according to new data from the Centers for Disease Control and Prevention, with emergency room visits climbing ...

Key Takeaways This season's flu vaccine didn't work as well as usual, officials sayA new virus strain did not match the shot ...

After a particularly rough December with record-high health care visits, flu cases are on the decline so far in January. "Elevated influenza activity is expected to continue for several more weeks," ...

Prior exposure to one strain of influenza virus may weaken children's ability to mount an effective antibody response against their subsequent exposure to a different flu strain, according to a study ...