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Doses of a COVID-19 vaccine at a pop-up clinic in Toronto, on April 17, 2021.Cole Burston/The Canadian Press

Some Ontario youth aged 12 to 17 can now book a booster dose of a COVID-19 vaccine through the provincial portal.

The bookings opened at 8 a.m. on Friday for those who had their second shot six months ago, though some public-health units have already been offering the third shots to teens since the province announced the expanded booster eligibility earlier this week.

The National Advisory Committee on Immunization has only recommended booster doses for high-risk teenagers, such as those who are immunocompromised.

A spokeswoman for Health Minister Christine Elliott says Ontario’s decision to expand eligibility to anyone 12 to 17 who had their second shot six months ago is based on the advice of the Chief Medical Officer of Health and the Ontario Immunization Advisory Committee.

About 90 per cent of people aged 12 to 17 in Ontario have received two doses of a COVID-19 vaccine.

In the next age group, of people aged 18 to 29, just 34 per cent have received a booster shot.

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