@Nutmeg031992 @FilterSchoolAir @angie_rasmussen I'd worry about "reinfection" with delta since that is still somewhat circulating.
@肉豆蔻031992@FilterScholair@angie_rasmussen我会担心delta的“再感染”，因为它仍然在循环。
@Nutmeg031992 @FilterSchoolAir @angie_rasmussen I'd worry about "reinfection" with delta since that is still somewhat circulating.
@肉豆蔻031992@FilterScholair@angie_rasmussen我会担心delta的“再感染”，因为它仍然在循环。