![]() ![]() ![]() Groups were divided further based on positive COVID-19 diagnosis. For both the vaccinated and unvaccinated groups, cases of positive COVID-19 diagnosis, mild COVID-19, severe COVID-19, intubation, and death were recorded. There were 274,782 participants in the study. Clinical information on patients who tested positive for COVID-19 was collected if available. ![]() Diagnosis of COVID-19 was evaluated, determined by a nasopharyngeal swab test. Participants who had received 2 mRNA COVID-19 doses were compared with unvaccinated individuals. The study occurred from July 15, 2021, to December 31, 2021, and analyzed Sicilian adolescents aged 12 to 8 years. Use of mRNA vaccines was extended to adolescents so that herd immunity could be reached.Īs evidence on the effectiveness of mRNA vaccines in a real-world environment is lacking, investigators conducted a retrospective cohort study on the efficacy of mRNA vaccines against COVID-19 in an adolescent population. Messenger RNA (mRNA) COVID-19 vaccines are effective in protecting adolescents against COVID-19, according to a recent study.Īs of June 30, 2022, 83.4% of European adults and 76.8% of US adults had received vaccinations against COVID-19. ![]()
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