Of course, Jill or Davy could be the ones ending up getting really sick. The Delta variant is supposed to be as contagious as chickenpox, so if one gets it, everyone in the bus will too, but it's hard to say how sick any one person would be. Jill and David might prop up the kids and tell them to sing (and infect new people), but they might not be able to do it themselves.
A family of 15 landing in a rural hospital would be bad as these hospitals are having surges of new Covid patients and might not have room for 15 new cases at once.
However, I was sure they'd get sick from swimmin