illustration of people wearing masks, blowing nose, washing hands

Feeling sick can be especially concerning these days. Could your sniffles be caused by COVID-19? Or the flu? A cold? Or maybe allergies?

Determining the cause of an illness can be tricky because many share some symptoms. They can leave you sniffling, coughing, and feeling tired. But there are important differences.

Figuring out what’s making you sick can help you recover and prevent spreading sickness to others.

The NIH News in Health breaks it down for you.


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