Pfizer COVID-19 booster dose authorized by Health Canada for all adults 18+ – GLOBAL

November 9, 2021

Health Canada has authorized a booster dose of the Pfizer-BioNTech COVID-19 vaccine for all adults 18 and older, making official what some provinces were already doing with regard to boosters.

A third dose of the vaccine, also known as Comirnaty, is authorized to be administered at least six months after the second dose, according to information posted to Health Canada’s website on Tuesday.

This change makes official what some provinces were already doing and what the National Advisory Committee on Immunization (NACI) had recommended: administering booster shots to certain groups, like adults 70 and older and front-line health-care workers, Health Canada said in a statement.

“Provincial and territorial jurisdictions may have already chosen to offer an additional vaccine dose to specific populations to enhance their protection against COVID-19,” the regulator wrote. “This would have been considered off-label use since Health Canada had not, until now, authorized a three-dose regimen for any of the vaccines authorized in Canada.”

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