AdvertisementCDC recommends Pfizer's COVID vaccine for children ages 5 through 11November 02, 2021Joe NeelCarmel WrothJane GreenhalghfacebookEmailPfizer-BioNTech's COVID-19 vaccine for young children is a lower-dose formulation of the companies' adult vaccine. It was found to be safe and nearly 91% effective at preventing COVID-19. (SOPA Images/LightRocket via Getty)