Understand that even at 3 feet away from each other, these women are speaking strongly facing each other. This virus is carried through your exiting breath into the air. If one was sick, the other would get sick at even this rate. That’s the real barrier. It’s not like an std needing a physical droplet size to infect you. Breathing in someone’s moisture coming out of their mouth can infect you. Watch what experts are saying about gross droplets. Compare it to your breaths travel on a cold morning, except in warmer air it travels farther. 6 feet is what experts suggest as an acceptable distance. Stay safe!