You've probably heard the phrase that “coughs and sneezes spread diseases.” It's a phrase that has been widely used by to spread the message that airborne viruses and bacteria are spread more easily through airborne droplets. I was curious as to where this phrase originated, and I found a series of videos from the 1940s created by the British National Health Service. Take a look...
This one is from 1943:
https://www.youtube.com/watch?v=W728NGYhmmQ
This one is from 1946:
https://www.youtube.com/watch?v=bGop2QiSWLU
This one is from 1947:
https://www.youtube.com/watch?v=GWyzS9TJg9g
More recent ones include this one from the World Health Organization:
https://www.youtube.com/watch?v=mXHm5sGeit8