COVID-19 international border surveillance at Toronto’s Pearson Airport: a cohort study
Objectives The primary objective was to estimate the positivity rate of air travellers coming to Toronto, Canada in September and October 2020, on arrival and on day 7 and day 14. The secondary objectives were to estimate the degree of risk based on country of origin and to assess knowledge and atti...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMJ Publishing Group
2021-07-01
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| Series: | BMJ Open |
| Online Access: | https://bmjopen.bmj.com/content/11/7/e050714.full |