While the vaccines report 100% effective against hospitalization and death, Pfizer and Moderna vaccines are reported to be 94% to 95% effective in preventing COVID-19. Two doses are critical to receive the most protection possible.
Johnson & Johnson vaccine reports their vaccine to be about 72% effective at preventing COVID-19 in trials con-ducted in the U.S., 85% effective at preventing severe disease, and was 100% effective in preventing hospitali-zation and death.