 እስከ ታህሳስ 19 ቀን 2020 ድረስ ግን ክትባቱን ከወሰዱ 6 ሰዎች መካከል 272,001 ቱ አናፊላክሲስ 2 ጉዳዮችን በአሜሪካ ተመልክታለች እና እንግሊዝ በ 3 ኛ ደረጃ ጥናት ውስጥ XNUMX ጉዳዮችን ስትይዝ ሰዎች እንዲገለሉ ተደርገዋል ።
Since December 19, 2020, however, the USA had seen 6 instances of anaphylaxis amongst 272,001 people that got the injection and the UK had 2 instances in the Phase 3 research studies that led to the authorization of the vaccines people were omitted from.