Calgary Herald



LONDON Britain on Wednesday became the first country to approve the coronaviru­s vaccine developed by Oxford University and Astrazenec­a, hoping that rapid action will help it stem a record surge of infections driven by a highly contagious form of the virus.

The Astrazenec­a/oxford shot has been plagued with questions about its most effective dosage ever since data published last month showed some surprising results.

While other regulators have taken a more cautious approach, Britain's MHRA was at pains to say it had resolved early doubts and — unexpected­ly — that it had found an 80 per cent success rate for the administra­tion of two full doses, three months apart, higher than the average that the developers themselves had found.

Health Canada says it needs more informatio­n before it can make a decision on the vaccine.

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