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Course: Prevalence and Durability of SARS-CoV-2 Antibodies Among Unvaccinated US Adults by History of COVID-19

CME Credits: 1.00

Released: 2022-02-03

As of December 28, 2021, approximately 27% of the US population was unvaccinated against SARS-CoV-2, yet the prevalence of natural immunity remains unknown. Blood donor studies may have selection bias and lack clinical information. Previous COVID-19 infection is a possible surrogate for natural immunity, but 1 study suggested that 36% of COVID-recovered individuals are serologic nonresponders. Even among individuals who develop antibodies, durability of this response beyond 6 months remains unknown. We characterized natural immunity and long-term durability among unvaccinated individuals using anti-spike antibodies, the first line of defense against SARS-CoV-2.


Educational Objective
To identify the key insights or developments described in this article


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