Data also shows that a prolonged interval of up to 45 weeks between the first and second dose can be beneficial, resulting in a significantly higher antibody response after the second dose.
They found that a third dose of the AstraZeneca vaccine – given more than six months after the second dose – lead to a substantial rise in antibodies and a strong boost to the immune response against the virus, including against the variants Alpha, Beta and Delta.
1/ 三個問題：兩劑間隔拉長是否有益？第 3 劑能不能帶來比兩劑仔更好的效果？腺病毒載體是否重複給予會失效？答案都是令人振奮
2/ 兩劑仔有效預防 Delta 感染住院與死亡（現實已知）
3/ 一劑抗體反應至少撐一年，兩劑隔 45 周 (!) 效果可更好
4/ 第 2 劑 6 個月後打第 3 劑，抗體與 T 細胞反應進一步加強，可對抗希臘字母戰隊 (Alpha, Beta, Delta)"