Health COVID-19 Updates: Delta Variant More Infectious Than Common Cold, According to CDC Posted onJuly 31, 2021July 31, 2021Authorlutra Share on PinterestMario Tama / Getty Images More than 4 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