Massachusetts study finds 33% have antibodies

14,622 Views | 70 Replies | Last: 5 yr ago by slacker00
Patentmike
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In reply to JP_Losman • 5:18p, 4/22/20
AG
JP_Losman said:
Any chance the current swab tests are counting people who have colds instead of COVID-19 ?

Adding on to KidDoc's response...

For PCR to be positive, the infection has to be active when the sample was taken. Antibody tests reveal exposures/infections from months and possibly years ago. So, the PCR is less likely to be a false positive for that reason as well.
PatentMike, J.D.
BS Biochem
MS Molecular Virology


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slacker00
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In reply to Patentmike • 5:49p, 4/22/20
AG
I think the confusion comes from some of the anti-body tests have a disclaimer that they may show positive for other common human coronavirus while others say nothing about the cross-sensitivity.
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