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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 att...
| Autores principales: | , , , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BMJ Publishing Group
2021
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8251681/ https://www.ncbi.nlm.nih.gov/pubmed/34210736 http://dx.doi.org/10.1136/bmjopen-2021-050714 |