1. This is an important study: German researchers looked at how long #Covid19 patients shed "viable virus" — ie how long they may be infectious. They could not isolate virus from the throat swabs/sputum samples of mild patients post day 8. https://t.co/eNczHeZUsI

— Helen Branswell 🇨🇦 (@HelenBranswell) March 9, 2020