Table 3.
Self-reported flu-like symptoms within the two weeks preceding each survey.
| Symptoms: n (%) * | Survey 1 | Survey 2 | Survey 3 | p-Value |
|---|---|---|---|---|
| n = 4124 | n = 4703 | n = 4543 | ||
| Fever | 360 (8.7%) | 658 (14.0%) | 1135 (25.0%) | <0.001 |
| Headaches | 442 (10.7%) | 918 (19.5%) | 1146 (25.2%) | <0.001 |
| Dry cough | 155 (3.8%) | 230 (4.9%) | 420 (9.2%) | <0.001 |
| Productive cough | 146 (3.5%) | 194 (4.1%) | 242 (5.3%) | <0.001 |
| Sore throat | 216 (5.2%) | 356 (7.6%) | 556 (12.2%) | <0.001 |
| Coryza | 300 (7.3%) | 397 (8.4%) | 531 (11.7%) | <0.001 |
| Loss of smell (anosmia) | 278 (6.7%) | 345 (7.3%) | 264 (5.8%) | 0.012 |
| Loss of taste (ageusia) | 230 (5.6%) | 282 (6.0%) | 260 (5.7%) | 0.690 |
| Shortness of breath | 86 (2.1%) | 150 (3.2%) | 139 (3.1%) | 0.003 |
| Myalgia | 305 (7.4%) | 345 (7.3%) | 450 (9.9%) | <0.001 |
| Fatigue | 254 (6.2%) | 251 (5.3%) | 465 (10.2%) | <0.001 |
| Nausea | 119 (2.9%) | 182 (3.9%) | 207 (4.6%) | <0.001 |
| Diarrhea | 70 (1.7%) | 126 (2.7%) | 145 (3.2%) | <0.001 |
* Flu-like symptoms that fit in the WHO clinical definition for suspected COVID-19 [14].