BMJ: Asymptomatic transmission of covid-19
Study of 10 million finds no asymptomatic positive cases. Post-lockdown SARS-CoV-2 nucleic acid screening in nearly ten million residents of Wuhan, China.
https://www.nature.com/articles/s41467-020-19802-w
There’s “more or less no such thing” as an asymptomatic viral infection
WHO - ‘We don’t actually have that answer yet’ (re asymptomatic spread)
https://www.statnews.com/2020/06/09/who-comments-asymptomatic-spread-covid-19/
Asymptomatic spread of coronavirus is ‘very rare,’ WHO says
A study on infectivity of asymptomatic SARS-CoV-2 carriers. “All CT images showed no sign of COVID-19 infection. No severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections was detected in 455 contacts by nucleic acid test.”
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7219423/
Can infected people without symptoms transmit coronavirus?
https://coronavirusexplained.ukri.org/en/article/und0006/
Does Influenza Transmission Occur from Asymptomatic Infection or Prior to Symptom Onset?
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2646474/