Averaged over a population - some people will have resistant sera and others not depending on the parts of sars-cov-2 targeted by their polyvalent antibody resp

Averaged over a population - some people will have resistant sera and others not depending on the parts of sars-cov-2 targeted by their polyvalent antibody response. Note that this is only looking at antibodies, not T-cell responses... so the clinical consequences are harder to predict, but it's certainly a bit concerning.