DEAR MISS MANNERS: Is there a polite way to avoid shaking hands with strangers? I was in a car dealership, and every employee I encountered extended a hand to me, expecting me to shake it.

“A lot of people try to shake my hand, weirdly, for no reason, just passing me in the street. "Because of Covid, I don’t, because I’m petrified of getting Covid again.” Since the show's ...