What Are the Issues With the Study?
The study is a preprint, in that it is not yet peer-reviewed.
The second important point to keep in mind is that the study “does not measure protection.”
Dr Kang says, “the assay that has been done is this study is a binding assay, which measures IgG, it does not measure protection.”
Secondly, the cutoff taken to measure whether people are positive or negative is an artificial cutoff. “It does not measure to what we know in real life, even though the company that designed the test will have us believe it does,” she explains.
She adds that the correlate for measuring protection is more likely to be neutralising antibodies than binding antibodies that were measured in this test.
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