Health COVID-19 Updates: Federal Health Officials May Not Widely Recommend Booster Shots Without More Data Posted onSeptember 4, 2021September 4, 2021Authorlutra Share on PinterestAnna Moneymaker / Getty Images More than 4.5 million people globally have died from COVID-19. More than half of U.S. adults are now fully vaccinated. New COVID-19 cases are on the rise in virtually every U.S. state. Source: healthline