TIL kissing someone mouth-to-mouth is safer than shaking their hand. Coughing on someone's face is also safer than a handshake.

https://www.mcgill.ca/oss/article/health/nix-hansdshake-and-cheek-kiss

https://www.reddit.com/r/todayilearned/comments/156bauq/til_kissing_someone_mouthtomouth_is_safer_than/