Pfizer and BioNTech: COVID-19 vaccine effective for children aged 12 to 15 
COVID-19 vaccine developed by Pfizer and BioNTech, it is 100 percent effective for children 12 to 15 years old. This is stated in a statement on the website of the developer company.
According to a press release, the researchers analyzed data from observations of participants in the third phase of clinical trials, which involved more than 2.2 thousand minors. Everyone who eventually contracted the coronavirus (30 children) was given not a real vaccine, but a “dummy” – a placebo. death after suffering COVID-19. The studies involved 1.2 thousand patients with COVID-19, in whom the disease could develop in an unfavorable scenario.