Up to 25% -- 1 in 4. Date range of study: March 2022-Oct 2023, up to date vaccinations. Finally a good look at asymptomatic transmission. Asymptomatic is one reason we were told in the US to mask circa Aug 2020 (source: NYT). Next we need to find out any #LongCovid burden here.
Reposted from Nosferatu
The findings that more than 20% of infected individuals are asymptomatic, with many others having only mild symptoms, remind us of the difficulty in controlling the transmission of this virus within populations.

www.thelancet.com/journals/lan...

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