Cargando…
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: | , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group
2021
|
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 |