ORLANDO, Fla. – The U.S. officially has a new weapon in its arsenal to use in the fight against COVID-19: a second vaccine.The Food and Drug Administration authorized emergency use Friday of the vaccine developed by Moderna and the National Institutes of Health.
The decision comes days after health workers and nursing home residents began getting a similar coronavirus shot from Pfizer and BioNTech.Extra doses from a second vaccine are urgently needed, as U.S.