COVID-19 vaccines — but not everyone has been able to get a different second dose.Amid a delay in shipment of the Pfizer-BioNTech shots to Ontario, vaccination clinics across the province will only be administering the Moderna vaccine to people aged 18 and above this week.
Ontarians encouraged to see mRNA shots as interchangeable as province expands 2nd dose eligibility again On Monday, some Ontarians were turned away from their Pfizer vaccine appointments because of the lack of supply despite national and provincial guidance to mix mRNA vaccine doses.In Ottawa, Denise Nasrallah’s children, in their 20s, were not able to interchange Moderna as their second dose because they are “more at risk,” she was told.