Add Yahoo as a preferred source to see more of our stories on Google. Sneezing? Feeling congested? Coughing? Are these signs of flu season, a cold or allergies, or are they symptoms of COVID-19? What ...

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 ...

Feeling sneezy? You’re not alone. Americans get an average of two to three colds per year, according to the American Lung Association. What’s more, the Centers for Disease Control and Prevention’s ...

What causes the flu and what causes a cold? Colds and flu are both respiratory illnesses, but are caused by different viruses. “Colds are primarily caused by viruses, with rhinovirus being the most ...

The 2025-26 flu season has been brutal, so far. At least 19 million Americans have had it, and it's not over yet. Flu season ...

Self-tests and over-the-counter remedies mean you don’t always need to see a doctor. Here's how to tell when you do.

You wake up with a stuffed nose and a scratchy throat. Or perhaps it’s body aches and a cough that won’t quit. All of these symptoms may point to one of the four respiratory bugs that typically ...

Think cold weather makes you sick? Learn what really causes winter illness—and why that drippy cold‑air nose is usually nothing to worry about.

Sneezing? Feeling congested? Coughing? Are these signs of flu season, a cold or allergies, or are they symptoms of COVID-19? What about RSV? This has been a particularly bad flu season, according to ...