2021
DOI: 10.1136/bmjopen-2021-050714
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COVID-19 international border surveillance at Toronto’s Pearson Airport: a cohort study

Abstract: ObjectivesThe 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 attitudes towards COVID-19 control measures and subjective well-being during the quarantine period.DesignProspective cohort of arriving international travellers.SettingToronto Pearson Airport Terminal 1, Toronto, Canada.… Show more

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Cited by 18 publications
(16 citation statements)
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“…For the control of respiratory viruses, it is necessary to evaluate non-pharmacological control strategies [ 194 ], have adequate distribution plans of personal protection elements to healthcare workers [ 259 ] and symptomatic patients [ 180 ]; access to rapid-result diagnostic tests at the bedside; border control, especially at airports [ 203 ]; isolation of cases and quarantine of contacts, among others, would reduce the population viral load, thus reducing transmission.…”
Section: Discussionmentioning
confidence: 99%
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“…For the control of respiratory viruses, it is necessary to evaluate non-pharmacological control strategies [ 194 ], have adequate distribution plans of personal protection elements to healthcare workers [ 259 ] and symptomatic patients [ 180 ]; access to rapid-result diagnostic tests at the bedside; border control, especially at airports [ 203 ]; isolation of cases and quarantine of contacts, among others, would reduce the population viral load, thus reducing transmission.…”
Section: Discussionmentioning
confidence: 99%
“…Unlike what was documented in the SARS-CoV-2 studies, the states put sanitary measures above individual liberties. The world authorities assumed this risk to avoid a total health crisis and the collapse of health systems [ 201 , 202 , 203 ]. According to the literature evaluated in 2007, experts argued that generalized detection of travelers would be impractical and inefficient, if it is not feasible to detect asymptomatic excretion from infected patients [ 191 ].…”
Section: Strategies For the Prevention Of Hadvmentioning
confidence: 99%
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“…Just since 2000, we have had 4 respiratory viruses associated with major epidemics (SARS-CoV, Influenza H1N1 pdm09, MERS, SARS-CoV-2) (123). As we have observed in this review, HAdV could perfectly generate a pandemic if the factors associated with the virus, host, and environment were aligned (123) For the control of respiratory viruses, it is necessary to evaluate non-pharmacological control strategies (200), have adequate distribution plans of personal protection elements to healthcare workers (258) and symptomatic patients (186); access to rapid-result diagnostic tests at the bedside; border control, especially at airports (209); isolation of cases and quarantine of contacts, among others, would reduce the population viral load, thus reducing transmission.…”
Section: Discussionmentioning
confidence: 99%
“…For example, in Toronto, all passengers over the age of 18 coming from abroad were tested. This group detected up to 2/3 of the cases that became symptomatic for COVID-19 within 14 days (209,210). Other studies have shown that free tests against COVID-19 massed at airports decreased public spending on health, since they cut the infection chain upon entry to countries (209,210,211).…”
Section: Strategies For the Prevention Of Hadvmentioning
confidence: 91%