Differences in the self-reporting symptoms were highly significant comparing those with and without antibodies to SARS-CoV-2.
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Population-based seroprevalence of SARS-CoV-2 and the herd immunity threshold in Maranhão.
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The sentences
White people had a lower point prevalence (20.0%) when compared with both brown (41.3%) and black people (49.2%), but of borderline significance (between 0.05 and 0.10).