Extensive SARS-CoV-2 testing reveals BA.1/BA.2 asymptomatic rates and underreporting in school children https://www.medrxiv.org/content/10.1101/2023.01.15.23284579
Extensive SARS-CoV-2 testing reveals BA.1/BA.2 asymptomatic rates and underreporting in school children https://www.medrxiv.org/content/10.1101/2023.01.15.23284579