While pleased with the vaccine rollout across the country, the PM called a single shot, though obviously great to have, an "incomplete protection" - which is why only those who have had two doses will be potentially eligible to embark on non-essential travel and skip the hotel quarantine and/or two-week isolation period now in effect.
We're going to have more to announce in the coming weeks on which measures we can loosen for those who have two doses.
Separately, Politico reported late on Monday that Canada was eyeing the date of June 22 to begin loosening restrictions at the US border.
Trudeau says the safety of Canadians will be a priority and that he will be working with Premiers to gradually relax border restrictions when the time is right.
The mayors of some border cities said on Monday they expected Canada to move as early as June 21, the next deadline for a possible rollover of restrictions.More news: G7 reaches historic deal to reform global tax system, United Kingdom chancellor says
White House press secretary Jen Psaki did little to suggest otherwise Tuesday.
President Joe Biden's administration has also faced increasing demands to reopen the border, from rank-and-file lawmakers like New York Democrat Rep. Brian Higgins and Republican counterpart Rep. Chris Jacobs, as well as Senate Majority Leader Chuck Schumer.
Business groups are calling on the Canadian and US governments to relax border restrictions for vaccinated travelers this month, increasing pressure on Justin Trudeau to act swiftly.
The European Union is allowing travellers from a handful of countries to visit the continent this summer, and several of the bloc's members have their own rules layered on top of that about who needs a COVID-19 test before arrival.
Canadian and US business leaders also banded together Tuesday, issuing a fresh appeal to the federal government to start putting plans in place. "It would help facilitate a safe and gradual return to a more normal life". While 53 per cent of respondents remain somewhat uncomfortable with easing restrictions on U.S.travel, that's down from closer to 80 per cent earlier in the pandemic.More news: Facebook suspension of Trump to last 2 years
Stakeholders and government officials say there's a sense of urgency now, given that it may be the last opportunity to open up the border in time for the summer season.
"President Biden formally asked for a border reopening plan immediately after taking office, and so far, Canada has been slow to make any public progress".
Nor is Trudeau providing details about what sort of measures are in the works, beyond insisting it will be a science-based decision.
"The difference between the protection of one dose of vaccine versus two doses of vaccine is quite significant", said Trudeau.
As vaccination rates increase, pressure has been mounting on the federal government to put a plan in place to allow cross-border travel to resume before the restrictions are due for renewal on June 21.More news: Iranian Naval Vessel Sinks in Gulf of Oman after Fire