Company says booster shot is half the size of first and second doses.
Health Canada says Moderna has asked the agency to approve its SpikeVax vaccine for booster shots.
The company has submitted information indicating that the third dose is about half the size of the first and second jabs.
In a Tweet, the agency says they are reviewing the request.
(1/3) Health Canada has received a submission from Moderna for the approval of a booster dose of the Spikevax #CovidVaccine. Health Canada is conducting a thorough, independent and evidence-based review of the submission.
— Health Canada and PHAC (@GovCanHealth) October 6, 2021
This comes after the National Advisory Committee on Immunizations recommended third shots for people with comprised immune systems, as well as those who live in long-term care facilities.

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