OTTAWA: Canada is authorizing the use of Pfizer Inc's COVID-19 vaccine for use in children aged 12 to 15, the first doses to be allowed in the country for people that young, the federal health ministry said on Wednesday.

Supriya Sharma, a senior adviser at the Canadian federal health ministry, said the Pfizer vaccine, produced with German partner BioNTech SE, was safe and effective in the younger age group.

"We are starting to see the light at the end of the tunnel," she told reporters.

Sharma and a health ministry spokesman said Canada was the first country to grant such an approval, but a Canadian representative for Pfizer later said Algeria permitted use of the vaccine for this age group in April. The Canadian health ministry said it had no information about the discrepancy.

The U.S. Food and Drug Administration is expected to take a similar step "very soon," U.S. health officials said.

Separately, authorities reported the third death of a Canadian from a rare blood clot condition after receiving AstraZeneca PLC's's COVID-19 vaccine. The man, who was in his sixties, lived in the Atlantic province of New Brunswick.

Jennifer Russell, the chief medical officer of health in New Brunswick, said the province would continue using the AstraZeneca vaccine. Alberta reported a death from clotting on Tuesday and Quebec announced one on April 27.

"There will be rare cases where thrombosis will occur. However, the risks remain minimal compared to the risks, complications and potential consequences of COVID-19," Russell told reporters.

Canada's federal government has bought tens of millions of doses of vaccines but critics complain the pace of inoculation is lagging due to bottlenecks in the 10 provinces, which are responsible for administering the doses.

Alberta will become the first province to offer COVID-19 vaccines to everyone aged 12 and over from May 10, Premier Jason Kenney said on Wednesday, a day after he introduced tighter public health measures to combat a third wave of the pandemic.

Alberta, home to Canada's oil patch, has the highest rate per capita of COVID-19 in the country, with nearly 24,000 active cases and 150 people in intensive care.

Around 20% of the 1,249,950 cases of COVID-19 in Canada have been reported in people under the age of 19. Canada has recorded 24,396 deaths.