On Sept. 7, Canada will open its borders to fully vaccinated travellers from across the globe, and let them skip the country's 14-day quarantine requirement. The rule change is significant, as most non-essential foreign travellers have been barred from entering Canada since the start of the pandemic. The federal government started to relax the rules last month, when it began allowing fully vaccinated Americans to enter and skip quarantine. For weeks, the government has called