Rapid diagnostic testing for COVID-19 antibodies is more accurate in plasma
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We compared the positive percentage agreement (PPA) and negative percentage agreement of a COVID-19 IgG/IgM test with whole blood and separated plasma from H.E.R.M.E.S against PCR
Increase in Positive Percentage Agreement with PCR
84%
in whole blood
97%
in H.E.R.M.E.S plasma
Additional increased sensitivity in early infections detected by PCR*
*16 samples from patient who first tested positive for COIVD-19 within 14 days of sample collection