Almost all teenagers who needed intensive care for Covid-19 were unvaccinated in a study that bolsters the use of the Pfizer Inc.-BioNTech SE shot in youths.
The vaccine prevented 98% of ICU visits and 94% of Covid-related hospitalizations in the real-world study of more than 1,000 adolescents ages 12 to 18 in 23 states published Wednesday in the New England Journal of Medicine.
While adolescents can develop severe Covid complications, it’s relatively rare that they do, making it harder to study vaccine efficacy than among older adults, and leading to some controversy about the use of the shots in younger people. For example, the trial data Pfizer submitted for authorization of its shot for 12- to 15-year-olds didn’t include enough cases to assess efficacy in preventing severe Covid.
The research from the Centers for Disease Control and Prevention and a network of 31 hospitals is one is one of the most detailed yet showing that vaccines can prevent severe Covid complications in teenagers.
The results show that “nearly all hospitalizations and deaths in this population could have been prevented by vaccination,” Vanderbilt University Medical Center pediatrics professor Kathryn Edwards wrote in an editorial accompanying the study.
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