Etiket: BA.5
Omicron BA.4 and BA.5 strains | Health Canada approves Pfizer booster vaccine
(Ottawa) Health Canada says Canadians aged 12 and older can now receive the Pfizer-BioNTech COVID-19 booster vaccine that targets Omicron variant BA.4 and BA.5 strains. Posted at 10:49 a.m. Health…