[Mount Athos]

I wonder why this journalist didn’t mention that there are 6 major strains of covid 19

Or the issue of false positive / false negative tests

[FreeReign]

Or the issue of false positive / false negative tests

I believe it was mentioned in the article.

[Flick Lives]

Or the issue of false positive / false negative tests

—

true positive / false positive
false positive / true positive
false positive / false positive
true positive / true positive

Only 1/4 of these probabilities would be a case where the same person caught the virus twice.