When used for asymptomatic mass screening, a positive test has problems: What does a positive COVID test mean? | Covid Balance
The of U of M, like the universities in my state, have not followed WHO guidelines (as of Jan 20, 2021). One university in my state not only tests entire asymptomatic student populations, they also do community surveys where they go door to door – without following WHO guidelines.
I wrote about this problem (Bayes Theorem) as far back as May 25, 2020. I, however, am a brain injured idiot without relevant experience or impressive credentials. I just make observations and ask stupid questions.