Pfizer’s COVID-19 vaccine trial data shows long-term efficacy in adolescents

FILE PHOTO: Registered nurse Sheba Phillip administers a dose of the Pfizer-BioNTech vaccine for the coronavirus disease (COVID-19) to 14-year-old Angel Rodriguez, during a vaccination event for local adolescents and adults outside the Bronx Writing Academy school in the Bronx borough of New York City, New York, U.S., June 4, 2021. REUTERS/Mike Segar

Pfizer Inc said on Monday its COVID-19 vaccine provided strong long-term protection against the virus in a late-stage study conducted among adolescents aged 12 to 15.

A two-dose series of the vaccine was 100% effective against COVID-19, measured seven days through over four months after the second dose, the company said.

The long-term data will support planned submissions for full-regulatory approval of the vaccine in the age group in the United States and worldwide.

Pfizer and BioNTech will seek clearance for a 30 micrograms dose of the vaccine for those aged 12 and above.

The vaccine was authorized for emergency use in people 12 to 15 years old by the U.S. Food & Drug Administration in May, and granted full approval for use in people aged 16 and above in August.

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