Similar story here in suburban Chicago. Another article said they were aware of the virus and decided to get together, but avoided close contact, hugs, and even shaking hands.

https://www.glenviewlantern.co...tive-after-attending

Guess it wasn't so crazy as to be concerned about the jogger who came up from behind me...

Perhaps the vocal folds are efficient at creating a finely dispersed mist... Not good news for those of us in choirs wondering when we will be able to sing together again!