Manitoba launches nearly $2M lottery to encourage COVID-19 vaccinations While the province recommends Manitobans receive the same mRNA vaccine (Pfizer or Moderna) for both doses, the vaccines are conisdered equivalent, and you can book an appointment for either/or for a second dose if one is available earlier, so you’re not waiting to receive the same brand.That doesn’t, however, apply to young people between the ages of 12-17, as Pfizer is — so far — the only vaccine approved for that group. .