@lotzof_gas @activia513 @krtmd @jonathanchait Strain updates to the same vaccine formulation don't need a whole new round of testing. They never have in the past either.
@lotzof_gas @activia513 @krtmd @jonathanchait 相同疫苗配方的菌株更新不需要全新的一轮测试。他们过去也没有。
@lotzof_gas @activia513 @krtmd @jonathanchait Strain updates to the same vaccine formulation don't need a whole new round of testing. They never have in the past either.
@lotzof_gas @activia513 @krtmd @jonathanchait 相同疫苗配方的菌株更新不需要全新的一轮测试。他们过去也没有。