Ontology highlight
ABSTRACT: Background
We assessed the safety and effectiveness of first and second dose BNT162b2 COVID-19 vaccination, offered as part of the national COVID-19 vaccine roll-out from September 2021, in children and adolescents in England.Methods
Our observational study using OpenSAFELY-TPP, included adolescents aged 12-15 years, and children aged 5-11 years. It compared individuals receiving i) first vaccination to unvaccinated controls and ii) second vaccination to single-vaccinated controls. We matched vaccinated individuals with controls on age, sex, and other important characteristics. Outcomes were positive SARS-CoV-2 test (adolescents only); COVID-19 accident and emergency (A&E) attendance; COVID-19 hospitalization; COVID-19 critical care admission; COVID-19 death, with safety ou
SUBMITTER: Andrews CD
PROVIDER: S-EPMC12643559 | biostudies-literature | 2025 Sep
REPOSITORIES: biostudies-literature