The broad testing of people w/exposure, no symptoms, picked up on the key asymptomatic group, now understood to be a major driver of spread, especially among the young (unlike Italy/US testing)— Eric Topol (@EricTopol) March 15, 2020
—https://t.co/cBanX6RAM4 by @elizcohencnn
—https://t.co/b7mVcU8aWx by @andreasshrugged pic.twitter.com/EmZVpaFOei