The officials spoke on condition of anonymity as they were not authorized to speak publicly ahead of the announcement. The powers will come off Wednesday.
The Public Health Agency of Canada is monitoring Lambda to see how it spreads and how it responds to vaccines, Tam said.
Police said the exact circumstances of the early Sunday accident in Carp, Ontario, around 30 kilometers (18 miles) west of Ottawa, remained unknown.
About 6.3 million Canadians have not received a first dose and over 5 million have not had a second, a Canadian official said
Canada has reviewed its China travel advisory, warning of a risk of arbitrary law enforcement after a Chinese court sentenced to its nationals to death over drug charges.
Canada has become the second country after Uruguay to legalise sale, possession and use of recreational cannabis.
Capitalism has led humans to believe that 'growth at all costs' is the only way around the problems on Earth.