Influenza is on the rise in several states. Here are symptoms to look for if you start feeling under the weather.

Learn more about the common cold, the viruses that cause it, and why it’s so difficult to find a vaccine for it.

The common cold looks trivial compared with illnesses that fill intensive care units, yet it still knocks out workers, ...

Common cold, flu and COVID-19 symptoms and cases can spike during the year-ending holidays, according to Johns Hopkins winter ...

This study shows that SARS-CoV-2 infection and vaccination generate strong, highly specific spike-binding immune responses ...

A new flu strain is surging nationwide. Ohio reports hospitalizations doubling as cases rise. Learn the symptoms and ...

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

Flu cases are increasing across the United States. The same is true in Florida, with some counties hit harder than others. If ...

Influenza cases are surging across the United States, and in Oregon. The increase in infections caused by the flu virus has ...

A "mystery throat virus" is going around, leaving people down and out for the count — and offering no real treatment.

It's flu season, and cases are on the rise. Here's what to know about the influenza virus and how to take care of flu-like ...

Influenza is on the rise. Flu activity was "high" or "very high" in 32 states and jurisdictions, as of Dec. 30, according to ...