Health

Pfizer COVID-19 vaccine looks highly effective, even for high-risk patients, new data indicate

Health

Pfizer COVID-19 vaccine looks highly effective, even for high-risk patients, new data indicate

The companies previously reported that the novel vaccine is about 95% effective at preventing infection with the coronavirus. Briefing documents published Tuesday by the Food and Drug Administration show that the remarkably high level of protection is true even for those at highest risk of severe COVID-19 because of their age, weight, race, or chronic medical conditions.

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