The trucks left the Memphis-area factory with the vaccine developed by Moderna Inc. and the National Institutes of Health. The much-needed shots are expected to be given starting Monday, just three days after the Food and Drug Administration authorized their emergency rollout.

Dec 18

U.S. clears Moderna vaccine for COVID-19

The U.S. added a second COVID-19 vaccine to its arsenal Friday, boosting efforts to beat back an outbreak so dire that the nation is regularly recording more than 3,000 deaths a day.