In terms of air travel, starting February 22, all travellers (with some exceptions) will be required to take a COVID-19 molecular test when they arrive in Canada before exiting the airport.
"We're not trying to punish people, we're trying to keep people safe", Trudeau said during a press conference on Friday.
At least three of those provinces have reported evidence of community spread, Dr. Theresa Tam said, adding that the variants have also been linked to outbreaks in several provinces.
But if they test positive, they will have to continue under monitored quarantine at a designated government facility for the remainder of the 14 days, after which they will undergo yet another COVID-19 test.
According to federal data, as of Thursday there have been 817,163 cases of COVID-19 in Canada, with 37,747 of them considered active cases.
Starting on February 15, resident of the United Kingdom and Ireland who have been in "red list" countries in the last 10 days will need to quarantine in a hotel room in for 10 days upon arriving in England.
These new measures are in addition to existing mandatory pre-boarding and health requirements for air travellers.
Most of the new measures won't come into effect for another 10 days, and details are still missing on certain pieces, like who will be exempt, or how long the new rules will last.
Public Safety Minister Bill Blair says there has been a dramatic drop in the number of non-essential travellers since the announcement was first made.
Since the intention to roll out the new controls was announced, travel has dropped even below what it was, he said.
Those who show up and can't produce a proper test result will be allowed entry, but may be subject of a daily fine of $3,000 until a test is completed or face criminal prosecution.
Traffic Building at the Canadian border crossing of the Sault Ste.
On Tuesday, Trudeau announced that anyone arriving through the U.S.
At airports using electronic kiosks tracking arrivals, the number of non-residents arriving dropped 94.7 per cent in January when compared to a year ago.
The measures especially affect Canadian "snowbirds" who winter overseas and return home in the spring.
But, that was still 90.4 per cent lower than January 2020.
Some snowbirds are flying back before a hotel stay is mandatory.
"Travellers will be required to stay at their reserved hotel for up to three nights, at their own cost, while they await the results of their arrival test".
While air travellers have to go into hotels, land travellers don't.
Health Minister Patty Hajdu on Friday laid out the details the expanded global travel restrictions, noting that as of Monday, all land-based travelers, with limited exceptions, will have to provide proof of a negative COVID-19 test taken in the United States within 72 hours of arrival.
If they are negative for the virus, they will be permitted to return home to isolate under newly "increased surveillance and enforcement" until their 14-day federally-ordered quarantine period is up.