Tests may also give a false-positive result if they identify antibodies against some other coronavirus, like the four that regularly cause common colds.

Tests may also give a false-positive result if they identify antibodies against some other coronavirus, like the four that regularly cause common colds.

https://www.consumerreports.org/medical-tests/antibody-test-might-tell-if-you-ever-had-coronavirus/
https://www.consumerreports.org/medical-tests/antibody-test-might-tell-if-you-ever-had-coronavirus/

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“Combining a test that is designed to detect current infection with a test that detects infection at some point in the past is just really confusing and muddies the water”

https://www.livescience.com/cdc-combined-covid-19-diagnostic-and-antibody-tests.html

https://www.livescience.com/cdc-combined-covid-19-diagnostic-and-antibody-tests.html

viral vs antibody covid test

[We're using this data to reopen our economy, maybe we should hold off on the antibody testing for awhile]