These are two of the best videos I’ve ever seen. This first one demonstrates exactly how germs and viruses spread from person to person. It’s a real world test case using some invisible powder, and you can see exactly how it transmits from just one person to basically every kid in a classroom.
And this video explains exactly how soap and water work to literally tear viruses apart, as well as exactly why you need to wash for at least 20 seconds.
Between the two, you know everything you need to about how these things spread, and how to counteract them!
One last thing you should be aware of while you’re here. A recent study says that, “Coronavirus can persist in air for hours and on surfaces for days.” So keep that in mind as well when you’re deciding whether you might need to wash up.