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Pfizer-BioNTech Covid-19 vaccine is 100% effective at protecting children aged 12 to 15

The Pfizer-BioNTech Covid-19 vaccine trials on children aged 12 to 15 years old is 100 percent effective, paving way for mass use soon. The trial involved just 2,260 children. The company announced on Wednesday that in a Phase 3 trial of children between the ages of 12 and 15, the vaccine ‘demonstrated 100 percent efficacy […]