https://www.youtube.com/watch?v=H2azcn7MqOU
詳細的談到人的口沫的飛瀑狀態。
近距離與沒戴口罩，實在是防疫大敵啊！
What can be done to stop this mysterious virus? Researchers are working to contain the spread, and are learning new facts about infection mechanisms. The latest research reveals how tiny droplets carrying the virus can remain in the air for some time. We bring you reports from the frontlines of the fight against a pandemic.
原文出處 NHK WORLD – JAPAN