While it's far from unusual that new drugs come with side effects and potential safety concerns, the deaths of elderly people in Norway have stirred worry.

Guelph's public health unit says it is making changes to its COVID-19 vaccination program after Pfizer announced it was reducing the number of vaccines shipped to Canada. 

Health Minister Christian Dubé announced the adjustments Tuesday, saying the province will now provide 225,000 doses by Feb. 8 instead of 250,000.

Infectious disease specialist Isaac Bogoch recently joined The Morning Show to answer all your vaccine-related questions.

There’s an emerging mismatch between what Canadians are expecting and what our federal and provincial governments appear ready to deliver, writes Darrell Bricker.

Pfizer, however, said that such a proposal would first require approval by the U.S. Department of Health and Human Services.

"We will only be able to operate this proof-of-concept clinic for an initial five days due to the lack of availability of COVID-19 vaccine."

Israelis began receiving first shots of the vaccine developed by Pfizer and its German partner BioNTech on Dec. 19 in one of the world's fastest vaccination rollouts.

A temporary delay in the delivery of the Pfizer vaccine to Canada is forcing Manitoba to pause any new vaccine appointments.

Canada’s supply of the Pfizer coronavirus vaccine has been hit by a temporary delay, in an announcement made by the federal government on Friday.