Study estimates 50% of new SARS-CoV-2 infections have originated from exposure to asymptomatic or pre-symptomatic individuals

SARS-CoV-2 Transmission From People Without COVID-19 Symptoms – JAMA Network Open

Commentary: At least 50% of COVID-19 cases spread from people without symptoms, a new study found – Business Insider AND More than half of Covid-19 infections acquired from asymptomatic carriers – MedicalResearch

Commentary on Twitter

https://twitter.com/TennantRuth/status/1348208811039985665