Thread by @nataliexdean: In a study of COVID-19 clusters in Japan, 50% of non-healthcare clusters were seeded by 20-39 year olds. The authors noted clusters associat…
Thread by @nataliexdean: In a study of COVID-19 clusters in Japan, 50% of non-healthcare clusters were seeded by 20-39 year olds. The authorssters associated with heavy breathing in close proximity, such as singing karaoke, talking at bars, or...