我又不懂了,加拿大不是和美國一樣到目前隻批準了輝瑞和莫德納嗎?
提前買了J&J,牛津?不會買俄國、中國、印度的吧?
加拿大人口也用不了四億疫苗吧?
To make good on that promise, Canada says it has purchased nearly 400 million doses from seven vaccine manufacturers. To date only the Pfizer-BioNTech and Moderna vaccines have been authorized for use in Canada.