Tag: Immunity

Delta 株肆虐 Fauci:免疫缺陷者恐須追加第3劑

| July 26, 2021 | 0 Comments
Delta 株肆虐 Fauci:免疫缺陷者恐須追加第3劑

免疫效果恐隨時間消褪所以有必要追加第3劑

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