Effectiveness of COVID vaccines against death remains high in children regardless of variant bmj_latest
for infection decreased sharply over time, especially during the omicron period, the researchers say that vaccinating children is an important public health measure that will continue to prevent deaths.
To fill this knowledge gap, researchers evaluated the effectiveness of two mRNA vaccines and the inactivated Sinopharmagainst COVID-19-related infection and death, and short-term waning of immunity, in children and adolescents. Those who tested positive were matched to those who tested negative by age, sex, area of residence, week of testing, type of test, and existing health conditions. After matching, 139,321 cases with their corresponding controls were included for analysis.
Vaccine effectiveness against death related to COVID-19 infection during the omicron period was 67% in children and 98% in adolescents.
France Dernières Nouvelles, France Actualités
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