Coronavirus particles spread by talking can remain in the air for up to 14 minutes, NIH researchers find"Speech droplets generated by asymptomatic carriers... are increasingly considered to be a likely mode of disease transmission," researchers at the National Institutes of Health found.[Collection]

"Speech droplets generated by asymptomatic carriers... are increasingly considered to be a likely mode of disease transmission," researchers at the National Institutes of Health found.https://www.cnbc.com/2020/05/19/coronavirus-spread-by-talking-can-remain-in-air-researchers-find.html