Conversation on the train:

Man on my left: “Coronavirus is just the flu. It’s all panic.” (Points to man on my right wearing a mask) “See? Mass hysteria.”

Man on right: “Actually I’m a microbiologist.”

Man on left: “Why a mask?”

Man on right: “I know how pandemics spread.”

— Jim Sciutto (@jimsciutto) March 5, 2020