news:A delayed second jab means better protection against COVID

来源: 2021-02-23 06:26:13 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读: 次 (1186 bytes)
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https://www.nature.com/articles/d41586-020-00502-w

The two-dose vaccine developed by the University of Oxford, UK, and pharmaceutical firm AstraZeneca in Cambridge, UK, could be given to more people by lengthening the interval between jabs. To test the efficacy of this strategy, Andrew Pollard at the University of Oxford and his colleagues examined clinical-trial data from more than 17,000 people, half of whom received the vaccine and the other half a placebo (M. Voysey et al. Lancet https://doi.org/fwk7; 2021).

The team found that, for intervals greater than six weeks, the longer the gap between jabs, the better the vaccine protected against COVID-19. It was 55% effective in those who received their second dose less than 6 weeks after their first, and 81% effective in those whose second dose was more than 12 weeks after their first. The team also found that a single dose of the vaccine had an efficacy of 76% for the first 90 days after vaccination.

 

 

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是针对牛津/阿斯利康的疫苗的研究 -TBz- 给 TBz 发送悄悄话 TBz 的博客首页 TBz 的个人群组 (0 bytes) () 02/23/2021 postreply 10:21:05

借贴违规推荐个视频,是位医生讲 最近“美国疫情,疫苗注射现况,以及南非变异病毒的影响” -pickshell- 给 pickshell 发送悄悄话 pickshell 的个人群组 (243 bytes) () 02/23/2021 postreply 10:44:16

这个数据有点扯吧,打两针但间隔六周以下的有效率55%, 但打一针的有效率反而是76%?? -GoGym- 给 GoGym 发送悄悄话 GoGym 的博客首页 GoGym 的个人群组 (0 bytes) () 02/23/2021 postreply 12:02:21

如果接着收集只打一针的数据,说不定结论是一针就够了?76% 和 81% 没差多少啊 -lucky_rain- 给 lucky_rain 发送悄悄话 lucky_rain 的个人群组 (0 bytes) () 02/23/2021 postreply 18:20:01

原文作者也是这个意思,不打或尽可能晚些时候再打第二针 -fuz- 给 fuz 发送悄悄话 fuz 的博客首页 fuz 的个人群组 (0 bytes) () 02/23/2021 postreply 18:55:30

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