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Pfizer Says Its COVID Vaccine Is 100% Effective In Teens After 4 Months

Pfizer’s COVID vaccine remains 100% effective in adolescents 12 to 15 years of age more than four months after the second dose is applied, the company reported Monday, according to updated data that it hopes will allow full authorization of the immunizer for this range. age.

The Pfizer-BioNTech vaccine currently has an emergency use authorization for adolescents, effective since May in the United States.

The companies released updated information on their clinical trial on Monday based on more than 2,200 minors between the ages of 12 and 15.

The participants have been evaluated for at least four months after the second injection: 30 cases of COVID-19 were recorded among the adolescents who received the placebo and none in the vaccinated group. That is, it was 100% effective against symptomatic cases of the disease.

The data was collected between November 2020 and September 2021, Pfizer said in its statement.

What’s more, “no serious safety concerns were observed among individuals with at least six months of follow-up”Added the pharmaceutical giant.

Messenger RNA vaccines Pfizer and Modern have been associated with an increased risk of myocarditis, an inflammation of the heart muscle, mainly among young men. But those cases remain rare, and the benefits of vaccination outweigh that risk, experts say.

These additional data provide additional confidence in the efficacy and safety profile of our vaccine in adolescents.”, Declared Albert Bourla, boss Pfizer, quoted in the statement.

The results should serve as the basis for the request for full authorization of the vaccine “in the United States and in the world”According to the company, which did not provide a timetable.

Pfizer’s vaccine was fully licensed in the United States for those 16 and older in August.


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