It's an unusual winter for respiratory illnesses. The flu is peaking twice: once in early January and again in February.

With respiratory illness season at its peak, the latest CDC data shows a significant rise in flu cases nationwide, while ...

Meanwhile, respiratory syncytial virus (RSV) activity continues to decline across most of the country, with ED levels ...

So far this season, the CDC estimates there have been at least 24 million flu illnesses, 310,000 hospitalizations and 13,000 ...