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(A) Veen diagram of positive symptoms related to COVID-19 and/or positive result of antibody rapid test in all participants (n=243); (B) Veen diagram of positive symptoms related to COVID-19 and/or positive result of antibody rapid test and/or positive RT-PCR and/or chest CT-scan in patients in participants who underwent chest CT-scan and/or RT-PCR test (n=163)
