Canada has closed its borders to all foreign nationals except for U.S. citizens, as the country's prime minister unveiled "increasingly aggressive" measures to contain the new coronavirus outbreak, and urged people to stay at home.
Air operators are being instructed to prevent any traveller who presents symptoms of the virus from boarding a plane.
The exception also includes cargo flights, said Trudeau.
Canada will reroute all global flight arrivals to four airports - Toronto, Calgary, Montreal and Vancouver - and has imposed tougher screening requirements.
Trudeau said they will continue to support Canadian citizens and permanent residents overseas.
If you are a snowbird, a foreign student in another country or an expat on a work term elsewhere, Prime Minister Justin Trudeau says it's time to come home due to the coronavirus.
The measures come after days of complaints from provincial and municipal governments that travellers to Canada were not being given proper warnings to go into isolation, and not being screened well for symptoms of COVID-19. Airlines will assess each passenger's health based on [criteria] from the Public Health Agency of Canada.
Deputy Prime Minister Chrystia Freeland said she is proud of how Canada is coming together as a country to try to slow the spread of this virus but warned the worst is yet to come.
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Julia Brownley of California - also announced she was exposed to the virus, but did not specify where. Our Washington office will be closed during this time, with our Pensacola office remaining open.
British Columbia announced three new deaths from the outbreak on Monday afternoon, raising the number of deaths nationwide to 4. "Pick up the phone, write an email, FaceTime", Trudeau said.
Several other countries have already taken the same step.
Trudeau's wife Sophie Grégoire Trudeau tested positive for the coronavirus last week following a trip to London.
The travel restrictions won't apply to commerce or trade.
As of 9 a.m. ET (1300 GMT), health officials were reporting around 320 cases of COVID-19 across all 10 provinces.
She said Trudeau was "setting an example" by self-isolating, adding that it was "the right thing to do to protect your health, but also to protect the health of all the other Canadians".
Canada and the United States share an 8,891-km (5,525-mile) land border.
"There are clearly reasons that we need to have crossing of our land borders for essential services and goods", said Henry.
As of Sunday, health officials across Canada had recommended that people avoid gatherings of 250 people or more but had not advised retailers to shutter.