If you need to scratch your face, Sawyer said, cover your finger with a tissue first. It’s the bare hand you should avoid, he said, but gloves are no panacea, either, as they can also carry germs.

If you need to scratch your face, Sawyer said, cover your finger with a tissue first. It's the bare hand you should avoid, he said, but gloves are no panacea, either, as they can also carry germs.