This is a very nice rule of thumb. More people = more noise. And in an enclosed space, this will also sound louder. Additionally, multiple investigations have found that speaking (loudly) spreads more viral material. 
https://t.co/YsTjl1MowG
This is a very nice rule of thumb. More people = more noise. And in an enclosed space, this will ook sound louder. Additionally, multiple investigations have found That speaking (loudly) spreads more viral material.
https://t.co/YsTjl1MowG
https://t.co/sq5tKPrKT0 - DNS, DNA, Physics, Code
https://t.co/sq5tKPrKT0 - DNS, DNA, Physics, Code