New York state is seeing the highest number of flu cases ever recorded in a single week, according to the state Department of Health. Health officials reported 71,123 positive flu cases during the ...

At the start of 2025, health officials in Louisiana reported the first U.S. bird flu death and experts questioned whether highly pathogenic avian influenza A (H5N1) could lead to the next pandemic. A ...

One of the primary reasons influenza is spreading so rapidly in New Jersey and beyond is a mutated variant that was discovered after this season's flu vaccine had already been formulated. The new ...

Over the holidays, U.S. flu cases skyrocketed. Weekly hospitalizations from the virus went from under 7,000 at the start of December to over 33,000 by the last week of 2025, surpassing rates of the ...

Flu is making people miserable from coast to coast, thanks in large part to a new strain called subclade K. That’s why infectious disease experts are telling people to run, not walk, to get this ...

The CDC estimates there have been at least 11 million illnesses so far. Flu activity could continue to increase in the U.S. over the next few weeks, according to a top flu epidemiologist at the ...

Medical assistant Janet Casamichana gives a flu shot to a child at Dr. Gary M. Kramer’s pediatric office on Sept. 15, 2025, in Coral Gables, Florida. Joe Raedle Getty Images South Florida doctors are ...

A new variant of the flu, dubbed by some as a super flu, is spreading across the United States. Weekly flu activity by state as of Dec. 20 shows high activity in Florida. Flu, cold or COVID? Symptoms ...

A new flu strain, Subclade K (A(H3N2)), is surging across the U.S. following the holiday season. Since October, the flu has caused at least 7.5 million illnesses, over 19,000 hospitalizations, and ...

A new flu variant is causing a surge in cases, with 32 states reporting "high" or "very high" activity levels. The Indiana Department of Health has reported Indiana to be at a "very high" level. The ...

Ohio reported a doubling of flu-related hospitalizations in the last week of December 2025. A new flu strain, nicknamed the "super flu," is spreading rapidly across the United States. The CDC reports ...

There have been at least 120,0000 hospitalizations so far, the CDC says. Flu activity is continuing to climb across the U.S. as hospitalizations rise, according to newly released data from the Centers ...