A US study claims that infected people can release thousands of droplets when speaking, which can then remain airborne for up to 14 minutes. The location was then filmed for 80 minutes, to analyse how many particles remained in the air. "These observations confirm that there is a substantial probability that normal speaking causes airborne virus transmission in confined environments," the authors said. "It is less widely known that normal speaking produces thousands of oral fluid droplets with a broad size distribution." It comes as Brits are now advised to wear face masks on public transport and in enclosed spaces such as shops to slow the spread of Covid-19.

Source: Daily Mirror May 17, 2020 01:09 UTC