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Canadian health officials have authorized use of the country's first COVID-19 vaccine. Health Canada 

 Wednesday, saying a "thorough, independent review of the evidence" determined that the vaccine produced by Pfizer and BioNTech meets the "stringent safety, efficacy and quality requirements for use in Canada."

The move makes Canada just the third country to authorize the Pfizer-BioNTech vaccine for general use after the U.K. greenlighted it 

 and began widely administering immunizations 

. Bahrain also granted an emergency use authorization to the vaccine 

What you need to know

But expert says that's no reason to fear it

In the U.S., meanwhile, emergency authorization of the vaccine could come within days. In an analysis 

, the Food and Drug Administration affirmed the vaccine's safety and its 95 percent effectiveness at preventing the coronavirus.

An FDA advisory panel meeting Thursday is expected to support emergency use of the vaccine in the United States. Then a final authorization decision will be up to agency officials.

It's important to note that in Canada, as in the U.K. — and likely soon in the U.S. — regulators are only authorizing provisional use in response to the pandemic. A formal approval requires more comprehensive data and regulatory review.

As for Canada, Prime Minister Justin Trudeau 

 he expects 249,000 doses of the Pfizer-BioNTech vaccine to be on hand by the end of the year. Other vaccines, such as one

, are also under review by Canadian health authorities, who said at a news conference Wednesday that they expect to issue further decisions on those soon.  

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Health

COVID-19

Colin Dwyer

Author

The vaccine produced by Pfizer and BioNTech is the first to be authorized by Canadian health officials. The decision makes Canada just the third country in the world to grant such an authorization.

Canada authorizes use of Pfizer COVID-19 vaccine

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