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Associations for reported clinical symptoms for the outcome ‘positive antibody status’ for (a) all participants; (b) previously SARS-CoV-2 PCR-positive participants and (c) previously SARS-CoV-2 PCR-negative participants. Odds ratio and corresponding 95% CI are derived from the logistic generalized estimation equations model adjusted for household clustering and sex and age (linear); the plots display the complete cases.
