Some symptoms of COVID-19 overlap with those of the common cold, allergies, and the flu. That can make it tricky to diagnose without a test. The coronavirus generally affects the lungs and ...

Rhinoviruses cause most colds. Though symptoms of a cold and the flu are similar, the two illnesses develop at different rates, with colds often beginning slowly and the flu taking hold more quickly.

Now, there's no cure for the common cold, but there are steps you can take in the first 24 hours of symptoms that will help lessen the severity of your illness and reduce the number of days you're ...