I’m so nice to cashiers now- they’re so worried.
One thought I was coming on to her. LOL!
Are they worried because you’re being nice??
Or, in general?
:- /
https://www.medrxiv.org/content/10.1101/2020.04.14.20064618v1
“Efficient high throughput SARS-CoV-2 testing to detect asymptomatic carriers”
They pool the samples. It’s math...