Uma pesquisa calculou quanto tempo microgotas de saliva expelidas pela fala podem permanecer no ar em ambientes fechados

Out today in @PNASNews: Droplets emitted during loud speech were airborne for over 10 minutes in an enclosed space of stagnant air – as shown by #NIDDKgov researchers. #Coronavirus #COVID19talking https://t.co/zfFjTgFqc1 pic.twitter.com/au5UiIO4bD

— NIDDK (@NIDDKgov) May 13, 2020