Coronavirus tracker: how many new cases of COVID-19 in Canada today? Current health protocols require people flying into the country to present a negative COVID-19 test conducted within 72 hours of boarding a plane bound for Canada as well as a mandatory two-week quarantine on arrival, but the government is still considering further options to make it harder to return from trips abroad in light of the pandemic.News of Canada considering further restrictions on incoming travelers comes as the country’s top doctor warned that easing the country’s virus restrictions could rapidly cause new case of the virus to increase again.“Every day we are one step closer and better times are ahead.