Many flights entering Canada still have COVID-19 infected passengers. Flights with confirmed COVID-19 cases in February: 32 at Pearson Airport, 13 at Vancouver Airport, 10 at Calgary airport, and 10 at Montreal Airport. Before entering Canada passengers must show a negative COVID-19 test, however, false negatives are common. According to PHAC, approximately 98 per cent of patients tested within two days of their exposure will still get a negative result from PCR tests. That number drops to 50 per cent over the first five days post-exposure, and 10 per cent after that until symptoms disappear.
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