To find out the effectiveness of the Pfizer-BioNTech vaccine for children ages 6 months through 4 and the Moderna COVID-19 vaccine for children ages 6 months through 17 years old, the FDA looked at the immune responses of children in these age groups after they were fully vaccinated. Also, a portion of the children in each age group were monitored for safety for at least two months after being given the second dose of the COVID-19 vaccine. The results suggest that the vaccine is 100% effective at preventing the COVID-19 virus in this age group. None of the children had previously been diagnosed with COVID-19. A week after the second dose was given, there were no cases of COVID-19 in the 1,005 children given the Pfizer-BioNTech vaccine.Īmong 978 children given the placebo, there were 16 cases of COVID-19. The other children were given a placebo shot. Of this group, about half were given the Pfizer-BioNTech COVID-19 vaccine. The results suggest that the vaccine is about 91% effective in preventing COVID-19 in this age group.įor children ages 12 through 15, the FDA reviewed a vaccine study of more than 2,200 U.S. Among 663 children given the placebo, there were 16 cases of COVID-19. Among 1,305 children given the vaccine, there were three cases of COVID-19. None of the children in this analysis had been previously diagnosed with COVID-19. The FDA also took an early look at cases of COVID-19 that occurred one week after children were given a second dose of the vaccine. You or your child started a vaccine series but couldn't finish it due to side effects.You don't know which vaccine you or your child received.The vaccine you or your child got earlier isn't available.Talk to your healthcare professional if you have any questions about the vaccines for you or your child. People age 12 and older who have had one shot of the Novavax vaccine should get the second Novavax shot in the two-dose series.People age 5 years and older with weakened immune systems.Some people should get all their vaccine doses from the same vaccine maker, including: They usually don't need to get the same vaccine each time. In general, people age 5 and older with typical immune systems can get any vaccine that is approved or authorized for their age.
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