Here's what you need to know about this season's H3N2 flu symptoms, treatment, when to go to the hospital and whether to get ...

Is it flu A or flu B, and how long is it contagious? Here's what to know about the flu virus running rampant in New Jersey, ...

Influenza, commonly called the flu, is a respiratory infection caused by the influenza virus. It is contagious, which means it passes easily from one person to another. Although influenza viruses can ...

Is it flu A or flu B, and how long is it contagious? Here's what to know about the flu virus running rampant in Michigan.

Influenza, which is more commonly known as the flu, is a highly contagious respiratory illness caused by viruses. There are three types of influenza viruses that make people sick: A, B and C.

Flu, viral fever, and COVID-19 all cause fever and respiratory symptoms, but key differences in onset, symptom patterns, ...