Do you have a sore throat, a runny nose and muscle aches? It could be a common cold, a case of the flu -- or COVID-19. The illnesses all share similar symptoms, sometimes making it hard to distinguish ...

(CNN) — As millions of Americans hit the road or took to the skies for the holidays, another seasonal traveler is picking up speed: influenza. (CNN) — As millions of Americans hit the road or took to ...

If it feels like everyone is getting the flu, you're not imagining it. This is shaping up to be another severe flu season. That's why it's important to take advantage of every tool we have to keep the ...

Many doctors recommend taking a flu test as soon as you notice symptoms, especially if you're in a high-risk group. - SanyaSM/E+/Getty Images As millions of Americans hit the road or took to the skies ...

(CNN) — As millions of Americans hit the road or take to the skies for the holidays, another seasonal traveler is picking up speed: influenza. Flu activity is already rising across the country. In the ...