The Temperature | Measles on a plane 

Hey there, Colorado, and welcome to another edition of The Temperature.

I’ve been thinking a bit lately about sliding doors — specifically the sliding doors at the entrance to the Children’s Hospital Colorado emergency department in Aurora. About two weeks ago, they slid open when my wife and I carried our infant inside for a check on his oxygen levels as he dealt with a condition called bronchiolitis that made it hard for him to breathe and put a cannula up his nose.

He was ultimately fine then and is fine-r now. About two hours after we entered the ER, we left, and the doors slid closed behind us. Four hours later, the doors slid open and in came a child contagious with measles, potentially exposing people in the ER to infection — including any infants like my own who are too you