The health unit is recommending that all adults between 20 and 36 years old who have not received a meningococcal disease vaccine contact their health provider to receive one as soon as possible.
The findings reflect the changing nature of the pandemic, in which the vast majority of people already have some protection against the virus due to vaccination or prior infection.
Health Canada is currently reviewing bivalent booster candidates from Moderna and Pfizer-BioNTech, which leaves some Canadians debating whether to wait for the revamped shots or go for a booster now.
Chief public health officer Dr. Theresa Tam says Health Canada is authorizing a booster dose of the Pfizer-BioNTech vaccine for children between five and 11 years old.
