With the common cold, flu, COVID-19 and RSV all presenting a threat of illness this fall and winter, here's how to distinguish between the symptoms of each condition.

COVID rebound is when COVID-19 symptoms return soon after they go away or a person registers a positive COVID-19 test result after testing negative for several days. COVID rebound can happen in people ...

COVID-19 can sometimes be treated at home. Understand emergency symptoms to watch for, how to protect others if you're ill, how to protect yourself while caring for a sick loved one and other coping ...