Oct. 22, 2021 — Pfizer says its vaccine for youngsters is 90% efficient at stopping COVID-19 infections.
The Pfizer vaccine for teenagers ages 5 to 11 is 10 micrograms, roughly one-third of the dose given to adolescents and adults.
In information introduced to the FDA forward of the company’s evaluate of its photographs for youngsters, the corporate described the interim outcomes of two ongoing research testing the protection and effectiveness of its 10-microgram photographs.
The vaccine effectiveness information comes from a research of greater than 2,000 youngsters ages 5 to 11. Two-thirds of the kids had been randomly assigned to obtain a child-sized dose of the Pfizer-BioNTech vaccine, whereas the opposite third was sorted into the placebo group.
The research obtained underway because the Delta variant turned dominant around the globe. As of the primary week of October, 16 contributors within the placebo group had gotten a symptomatic, lab-confirmed COVID-19 an infection, in contrast with simply three who caught COVID within the vaccinated group.
In accordance with the corporate’s evaluation of its personal research, unwanted side effects seen within the research had been almost all delicate. The most typical aspect impact reported was ache on the web site of the shot. Children within the group that obtained the vaccine additionally had fatigue, complications, fever, and chills at larger charges than had been seen within the placebo group. These had been most typical after the second dose. Some pores and skin reactions had been seen within the research, like itching and rashes, however these had been largely delicate and went away inside a couple of days.
Children additionally might have swollen lymph nodes after their vaccinations, as adults typically do, however these reactions had been non permanent.
One baby developed a tic, a recurring involuntary muscle twitch or vocal sound, that got here one week after their second dose of the vaccine. It was judged by research investigators to be associated to the vaccine. The corporate says it was going away by the point the research was being revealed.
Reassuringly, no circumstances of coronary heart irritation known as myocarditis discovered within the research. Myocarditis is uncommon, occurring in about 36 individuals for each 100,000 who’re vaccinated, in accordance with the CDC.