Table 4

Symptoms and COVID-19 antibody prevalence

Respondents’ self-report:
Symptomatic (n=1871)Asymptomatic (n=2547)Non-response (n=56)
Antibody test negative: PCR result:
Negative375852
Positive500
Not performed906226147
Inconclusive730
Unknown420
Total(69.3%) 1297(92.3%) 235149
Antibody test positive: PCR result:
Negative7360
Positive19932
Not performed2931865
Inconclusive600
Unknown310
Total(30.7%) 574(7.7%) 1967