[rxsid]

"The result was positive in 1.5 percent of cases. "

>> What is the rate of false positives with this test?

>>And false negatives?

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"... We also adjust for test performance characteristics using 3 different estimates: (i) the test manufacturer’s data, (ii) a sample of 37 positive and 30 negative controls tested at Stanford, and (iii) a combination of both."

For more details, see the actual study here: COVID-19 Antibody Seroprevalence in Santa Clara County, California
https://www.medrxiv.org/content/10.1101/2020.04.14.20062463v1.full.pdf

[Paladin2]

Thanks for the link.