Health Canada says the safety and effectiveness of Pfizer’s XBB.1.5 shot is inferred from studies conducted on its previous mRNA products.
Number of deaths within the first 10 days of vaccination was ’significantly higher' than those between 11 and 180 days among people aged 64 and under.
Health Canada says the safety and effectiveness of Pfizer’s XBB.1.5 shot is inferred from studies conducted on its previous mRNA products.
Number of deaths within the first 10 days of vaccination was ’significantly higher' than those between 11 and 180 days among people aged 64 and under.