Cases across the country had appeared to decline before new public health data showed upticks in infections.

Plus, what the data says.

Flu activity has increased slightly in the United States, driven by a small rise in infections caused by influenza B viruses distinct from the new subclade K strain that has been the primary cause of ...

Cases of influenza fell sharply in Pennsylvania for the week ending Jan. 17, according to the most recent data. But some years, there's a second spike ...

The Department of Public Health reported that there were 4,641 flu cases in the state during the week ending Jan. 3, down from the previous week’s total of 5,517. For the weeks ending Jan. 10 and Jan.

After a sharp uptick in flu cases in mid-December 2025, flu activity across the U.S. and Canada remains high. Data from the Centers for Disease Control and Prevention shows the U.

As flu cases spike across Western Massachusetts, we're getting answers on how it’s impacting our community and getting a ...

Flu has killed four New York children this flu season after the city saw a historic spike in cases this winter, officials ...

Super Bowl's over, but "Super Sick Monday" is here! Oklahoma is in a high-risk flu zone right now. Health officials say ...

As the winter term has commenced at the University of Oregon, students and University Health Services staff have noticed a ...

Flu cases in Pennsylvania have declined for two consecutive weeks after peaking in late December. While cases are down, another spike could occur around the end of February or early March. Symptoms of ...