M-A: Asymptomatic SARS-CoV-2 infection – “we estimate that the percentage of infections that never developed clinical symptoms, and thus were truly asymptomatic, was 35.1%”.

Asymptomatic SARS-CoV-2 infection: A systematic review and meta-analysis – Proceedings of the National Academy of Sciences

Commentary on Twitter

The best comprehensive review of the asymptomatic status with Covid, >350 studies, just out @PNASNews https://t.co/xyfgyGXANL
Overall: true, never had symptoms 35%; children 47%@Pratha_Sah @Alison_Galvani @MeaganCFitz @YaleSPH & colleagues
(wonder what the rate is w/ Delta) pic.twitter.com/9W6wbvQno6

— Eric Topol (@EricTopol) August 10, 2021