According to a study which analyzed more than 1,200 hospitalized patients.
All of the patients studied in the peer-reviewed study were between the ages of 12 and 18, were hospitalized in 23 states, and had received the Pfizer-BioNTech vaccine if vaccinated.
Of those patients, 299 were fully vaccinated, 55 were partially vaccinated and 868 were unvaccinated, according to the study published Wednesday in the New England Journal of Medicine.
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Not all patients used for the study were hospitalized with COVID-19; the researchers used 777 patients who were sent to an intensive care unit for illnesses unrelated to COVID, as a control group, the study notes.
The additional 445 patients were hospitalized for intensive care after contracting the virus and of those people, 427 – or 96% – were unvaccinated.
Another 17 patients hospitalized with COVID-19 have been fully vaccinated and one has been partially vaccinated.
The researchers concluded that the Pfizer-BioNTech COVID-19 vaccine prevented 94% of COVID-19-related hospitalizations and was 98% effective in preventing patients from entering ICUs or requiring respiratory support, according to the study.
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