Some people who have received a dose of the Moderna COVID-19 vaccine are having a delayed reaction that causes a red, and sometimes bumpy rash on...
The U.S. coronavirus caseload has reached record heights with more than 83,000 infections reported in a single day, the latest ominous sign of the disease's grip...
Tens of thousands of people have signed up to get COVID-19 in what's called a challenge trial set up by a group called 1 Day Sooner....