Patients worldwide seek antibody tests for SARS-CoV-2 exposure. Hamzaraj et al found that vaccinated individuals had significantly higher antibody levels (>2500 BAU/ml) than unvaccinated, allowing effective group distinction.
Have Long-COVID? Know Your Spike Antibody Levels Unvaccinated, Vaccinated Easily Separated by Antibody Results Sat, 21 Dec 2024 10:01:41 GMT https://petermcculloughmd.substack.com/p/have-long-covid-know-your-spike-antibody By Peter A. McCullough, MD, MPH
Frustrated patients from all over the world are seeking doctors who will measure antibodies against the SARS-CoV-2 Spike protein because they want to gain a sense of the degree of exposure they have had from the viral infection, vaccination, or both.
Hamzaraj et al using an assay with an upper limit of >2500 BAU/ml found many vaccinated with levels above that threshold and relatively few unvaccinated. The antibody concentrations were so different that using a receiver operating characteristic curve, the test did well in distinguishing the two groups.
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