Incidence of Omicron Variant Reinfection and Reduction of Reinfection Risk After Coronavirus Disease 2019 Vaccination in Children.

Tatsuki Ikuse Yuta AizawaSatoshi HasegawaMasashi TakahashiTakanori HayashiMiyako KonTsutomu TamuraHaruki MatsumotoAkihiko Saitoh

Published in: Journal of the Pediatric Infectious Diseases Society (2023)

Data are limited on the incidence of coronavirus disease 2019 (COVID-19) reinfection in children. This population-based cohort study in Niigata, Japan from January to November 2022 demonstrated the incidence of reinfection was 1337/48 099 (2.8%), and the hazard ratio for reinfection in vaccinated children was 0.29 (95% confidence interval, 0.20-0.40).

Keyphrases

coronavirus disease
young adults
risk factors
respiratory syndrome coronavirus
sars cov
electronic health record
deep learning