Pfizer Vaccine for Kids 5-11 Not Highly Effective 


Published: March 5, 2022

A recent study found that Pfizer’s vaccine for children aged 5-11 is much less effective than the vaccine made for older adolescents and adults. Only 28-34 days after administering the shot, the efficacy of the low-dose vaccine fell from 68% to 12%. In contrast, the full-dose vaccine’s efficacy decreased from 65% to 51% in the same time period. The FDA is still reviewing Pfizer’s data for its vaccine created for children 6 months to 4 years old.

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