COVID-19 infection and its consequences by mode of travel
| Arrived by air | Arrived by land | Total | |
| N | 8230 | 1080 | 9310 |
| Positive cases | 180 (2.2%) (95% CI 1.9 to 2.5) | 20 (1.9%) (95% CI 1.1 to 2.8) | 200 (2.1%) (95% CI 1.9 to 2.5) |
| Incidence of positive COVID-19 tests among ABTPP participants, per 100 000 participants | 2187 (95% CI 1882 to 2527) | 1852 (95% CI 1135 to 2485) | 2148 (95% CI 1863 to 2464) |
| Positive tests on arrival | 124 (1.5%) | 14 (1.3%) | 138 (1.5%) 14.8 per 1000 |
| Positive tests on day 5 | 11 | 1 | 12 |
| Positive tests at day 6–7 | 35 | 4 | 39 |
| Positive tests at day 8–12 | 10 | 1 | 11 |
| Symptoms at any time | 178 | 14 | 192 |
| Hospitalisation | 3 | 1 | 4 |
| Critical illness | 0 | 0 | 0 |
| Death | 0 | 0 | 0 |
Test incidence among ABTPP participants includes two tests for most participants.
Participants who tested positive within 14 days of arrival (ie, at either arrival or during follow-up).
ABTPP, Alberta Border Testing Pilot Programme.