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i’m hoping with Covid more people are familiar with testing theory : ie sensitivity , specificity , false positives and false negatives

these testing systems are just one of many indicators that are meant to be used . if used in isolation - very harmful outcomes will occur

Yes exactly. No one is going to put you on chemo because of a mammogram. There are several followup tests including ultrasound and biopsy.

so the millions of false positives will mean hundreds who die from biopsy infection and hundreds given false chemo