Pre-vaccination RT-PCR negative contacts in workplace settings show high, SARS COV-2 neutralizing antibody levels.

BMC Public Health · 2022 · PMC9593990 · PMID 36284261

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did not reach statistical significanceno p-value reported

In addition, seropositive individuals from factory-2 had a higher level of neutralizing antibodies compared to office-1 though this did not reach statistical significance.

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