COVID-19 infection among international travellers: a prospective analysis.

ABSTRACT:

Objectives

This report estimates the risk of COVID-19 importation and secondary transmission associated with a modified quarantine programme in Canada.

Design and participants

Prospective analysis of international asymptomatic travellers entering Alberta, Canada.

Interventions

All participants were required to receive a PCR COVID-19 test on arrival. If negative, participants could leave quarantine but were required to have a second test 6 or 7 days after arrival. If the arrival test was positive, participants were required to remain in quarantine for 14 days.

Main outcome measures

Proportion and rate of participants testing positive for COVID-19; number of cases of secondary transmission.

Results

The analysis included 9535 international travellers enteri

SUBMITTER: Lunney M 

PROVIDER: S-EPMC8228575 | biostudies-literature | 2021 Jun

REPOSITORIES: biostudies-literature