Conclusions Our findings suggest that even a single dose of these 3 vaccine products provide good to excellent protection against symptomatic infection and severe outcomes caused by the 4 currently circulating variants of concern, and that 2 doses are likely to provide even higher protection.
加拿大的真實數據
這是少數有4種主要的變種病毒株跟主要疫苗效力的比較...
在目前世界大流行的英國變種跟印度變種來說...
AZ(一劑)的效果跟莫德那和BNT都在伯仲之間...
而AZ比較弱(預防有症狀感染)的是...南非變種和巴西變種...
實戰來說...對變種效果最穩定的是莫德那...
難怪之前全世界疫苗評比莫德那拿到冠軍