| Characteristics | All Patients (n = 72) |
| Median age (IQR)—yr | 50 (36-58) |
| Male—No. (%) | 24 (33.3) |
| Female—No. (%) | 48 (66.7) |
| Chronic illnesses—No. (%) | 37 (51.4) |
| Contact—No. (%) | 26 (36.1) |
| Travel—No. (%) | 37 (51.4) |