Shouldnt this be quite obvious by nw? The 2 doses of the vax protects one from the original covid. Now that covid mutate again, isnt it quite common sense that high chance the original 2 doses will not be effective? Thats y we have the 3rd dose, to increase efficiency

Pfizer slid in premarket trading as Oxford study found two vaccine doses wouldn’t protect from Omicron infection<blockquote>牛津研究发现两剂疫苗无法预防奥密克戎病毒感染,辉瑞在盘前交易中下跌</blockquote>

Pfizer slid in premarket trading asOxford study found two vaccine doses wouldn’t protect from Omicro
Pfizer slid in premarket trading as Oxford study found two vaccine doses wouldn’t protect from Omicron infection<blockquote>牛津研究发现两剂疫苗无法预防奥密克戎病毒感染,辉瑞在盘前交易中下跌</blockquote>

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