Table 2 COVID-19 symptoms during the previous four weeks at the time of the serosurvey
Seronegative IgM/IgG (n = 3075) | Seropositive IgM/IgG (n = 193) | P | |
|---|---|---|---|
Asymptomatic, n (%) | 2627 (85.4) | 114 (59.1) | < 0.001 |
Symptomatic, n (%) | 448 (14.6) | 79 (40.9) | < 0.001 |
Self-reported symptoms | |||
Cough, n (%) | 119 (3.9) | 47 (24.4) | < 0.001 |
Sore throat, n (%) | 202 (6.6) | 33 (17.1) | < 0.001 |
Nasal discharge, n (%) | 85 (2.8) | 15 (7.8) | 0.001 |
Headache, n (%) | 173 (5.6) | 32 (16.6) | < 0.001 |
Anosmia, n (%) | 63 (2.0) | 40 (20.7) | < 0.001 |
Muscle/body aches, n (%) | 98 (3.2) | 31 (16.1) | < 0.001 |
Diarrhea, n (%) | 92 (3.0) | 23 (11.9) | < 0.001 |
Fever, n (%) | 62 (2.0) | 29 (15.0) | < 0.001 |
Shortness of breath, n (%) | 40 (1.3) | 21 (10.9) | < 0.001 |
Contact with confirmed case, n (%) | 416 (13.5) | 39 (20.2) | 0.013 |