Study Suggests COVID Boosters Provide No Added Protection for Kids

U.S. health agencies continue to recommend additional COVID-19 vaccine doses for children, yet research suggests booster vaccinations do not provide healthy children with additional immunologic protection against symptomatic infection.

A recently published study in Nature Medicine found that a third COVID-19 vaccine dose in healthy children aged 5 to 12 improved antibody titers but did not impact B cell memory or T cell responses, which are the most important predictors of protection against symptomatic SARS-CoV-2 infection. 

Moreover, neutralizing antibodies against SARS-CoV-2, widely used to infer protection against COVID-19, were only indicative of protection in those with hybrid immunity who had a history of infection and vaccination.

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