COVID-19 spread noted in 'healthy' concertgoers 2 days after infectionSeemingly healthy people with COVID-19 can spread the disease to others as soon as 2 days after infection, an analysis of a coronavirus cluster traced to four live music clubs in Osaka, Japan, shows.The study, published today in the Journal of Infectious Diseases, extracted data on club-goers linked to an 108-person cluster from the Japanese Ministry of Health, Labour and Welfare website.
The first case in the cluster was identified on Feb 27, and the outbreak was contained by Mar 17.Of the 51 asymptomatic people infected with SARS-CoV-2, the virus that causes COVID-19, who visited one music club only once, 10 remained asymptomatic at coronavirus diagnosis after, on