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A comment on Nearly a third of blood samples taken in Chelsea show exposure to coronavirus. Parent comment

Re:Nearly a third of blood samples taken in Chelsea show exp... by notforever on Monday April 20, 2020 @07:38PM (#22930157)
No good reason for test errors to be uncorrelated, ie. quite possible same people who trigger false positives on the first test would be false positives on the second etc.
[ Parent | on HN ]
Re:Nearly a third of blood samples taken in Chelsea show exp... by subroutine on Monday April 20, 2020 @09:57PM (#22931102)
Sure, there will probably be some correlation. Depends heavily on how the 3x testing is designed.

T1. Drive up saliva swab by nurse, for serology test.

T2. Re-deploy census peeps to get samples (and census info) from entire neighborhoods.

T3. 23andMe-like home kit express mail to lab

The odds of people getting a FP on all three might not be 1 in 1000, but it probably isn't 1 in 10.

Anyway, as it is, leading 1 in 10 people to falsely believe they are immune, isn't much better than having no test at all.

[ Parent | on HN ]