US clears Moderna vaccine for COVID-19, 2nd shot in arsenal

Certified Nurse Assistant Kisa Kniola, left, gives a COVID-19 vaccination to Registered Nurse Lindsay Kreighbaum on Friday at Franciscan Health in Michigan City, Ind. (John Luke/The Times via AP)

WASHINGTON — 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.