A rash is a part of skin that appears to be different than the rest of your skin around it. It may be red and/or swollen. It may also feel itchy. A skin rash is fairly common and can happen to anyone.

But other people can develop overwhelmingly itchy, raised red welts that look like mosquito bites or hives after being bitten ...

One specific type of viral exanthem that dermatologists have seen with COVID is a morbilliform rash, meaning a measles-like ...