The Quarantine Act is now in effect.
The prime minister says people ignoring orders to stay isolated after returning from trips outside the country are endangering lives.
Justin Trudeau says most people seem to be heeding the advice to self-isolate.
But the P-M says others are not complying and the federal government is now taking the next step and is threatening serious consequences.
Canada is now enforcing the Quarantine Act order for international arrivals to Canada to stay away from others for at least 14-days.