You know how people have started sneezing and coughing into their elbows instead of their hands, because public health people convinced us that would reduce the spread of germs?

Well, turns out elbows aren’t helping all that much. A study in the American Journal of Infection Control compared handshakes to fist bumps to high fives as transmission mechanisms: Turns out we’d all be a lot healthier if there was more fist-bumping.