High SARS-CoV-2 infection rate in children unvaccinated with COVID-19 vaccine in Changzhou, China, shortly after lifting zero-COVID-19 policy in December 2022
Jie Tang,
Yong Wang,
Weiqin Lu
et al.
Abstract:Background
China experienced an overwhelming COVID-19 pandemic from middle December 2022 to middle January 2023 after lifting the zero-COVID-19 policy on December 7, 2022. However, the infection rate was less studied. We aimed to investigate the SARS-CoV-2 infection rate in children shortly after discontinuation of the zero-COVID-19 policy.
Methods
From February 20 to April 10, 2023, we included 393 children aged 8 months to less than 3 years who d… Show more
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