States race to use COVID-19 vaccines before they expire
Hundreds of thousands of COVID-19 vaccine doses have been saved from the trash after U.S. regulators extended their expiration date for a second time. It's part of a nationwide effort to salvage expiring shots to battle the nation’s summer surge in infections. The Food and Drug Administration on Wednesday sent a letter to shot maker Johnson & Johnson declaring that the doses remain safe and effective for at least six […]