Originally Posted by
mountainboy
There is little evidence that a significant % of recent covid in Canada is due to International arrivals.
Rather, there is strong evidence the majority is community spread.
Quarantine and other measures to contain traveler spread is only one of the tools to contain the pandemic. Yes governments will need to impose measures to contain community spread, but those measures would be pointless if new cases are brought in unchecked from outside.
Yes, the current proposal is far from perfect, you can get COVID after the initial test. There should be mandatory testing a week after arrival, and strict quarantine checks, whether it's mandatory app with gps tracking, or centralized quarantine facilities or more frequent spot checks.