Neil Diamond posts a fireside rendition of “Sweet Caroline” with its familiar lyrics tweaked to say, “Hands … washing hands.” A news anchor asks when social distancing will end because “my husband keeps trying to get into the house.” And a sign outside a neighborhood church reads: “Had not planned on giving up quite this much for Lent.”

Are we allowed to chuckle yet? We’d better, psychologists and humorists say. Laughter can be the best medicine, they argue, so long as it’s within the bounds of good taste. And in a crisis, it can be a powerful coping mechanism.

“It’s more than just medicine. It’s survival,” said Erica Rhodes, a Los Angeles comedian.