The dots/spots on Will's torso which I mentioned yesterday don't seem to be multiplying, and he has no fever or other symptoms, so it's probably not chicken pox.  Is it poison ivy?  Mosquito bites, maybe?  Cooties? We'll see if anything changes this weekend.
We got a call from Will 0.10's school today - Will has strange red spots on his torso, and there are more of them this afternoon than there were this morning. His pediatrician isn't concerned, as there's no sign of fever or any other symptoms yet.  But I'm already thinking, "chicken ...