...I realized in March 2020 that Americans were doing masks wrong. People were constantly taking the same mask off and then putting it on again after it had spent time in pockets, purses, car seats, and backpacks, or just been dangling under their chins. In my OCD imagination, I could see the cross-contaminants grow and fester. This is especially true for healthy, normal children who are grubby disease vectors. I was right. Parents in Florida sent five kids' masks and one adult mask to a lab at the University of Florida. The results were scary and disgusting, for the masks...