Manitoba announces first groups eligible for bivalent COVID vaccine To get the bivalent vaccine, Manitobans must have completed their primary two doses of vaccine, and it’s recommended that you wait six months since a previous dose of vaccine (or a COVID infection).Appointments can be made through the online booking tool.The province has said it expects to be able to expand eligibility for the bivalent vaccine to all adult Manitobans in the coming weeks.Monday also marks the date when anyone aged 12 and older is eligible to receive a booster of the original vaccine if they want one. .