This is the beginning of a very long thread. But, I think the first 2 tweets pretty much should suffice for the average layperson

What about keeping your distance?

Second demo: I set open bacteria culture plates 2, 4 and 6 feet away and coughed (hard) for ~15s. I repeated this without a mask.

As seen by number of bacteria colonies, droplets mostly landed <6 ft, but a mask blocked nearly all of them. pic.twitter.com/8wDdvIHHMa

— Rich Davis, PhD, D(ABMM), MLS 🦠🔬🧫 (@richdavisphd) June 26, 2020