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这个我之前专门发过一个帖子:
http://bbs.skykiwi.com/forum.php?mod=viewthread&tid=4063215&extra=page%3D1
首先说明,世卫COVAX认证7种疫苗,包括国药,科兴都是有效的。
世卫的要求是效果超过50%就可以。不要以为这个很容易做到, CureVax的mRNA只能达到48%的效果,就直接被咔咔了。
新加坡人很实际的,他们10月23三号发布的指南里面有明确两条:
第一是科兴疫苗需要连续注射三剂,第二剂在第一剂28天后,第三剂在第二剂90天后。原因是抗体水平下降快。
“Persons of all ages who are eligible to receive the Sinovac-CoronaVac vaccine are recommended to receive three doses of the vaccine as their primary vaccination series. The second dose should be taken 28 days after the first dose, while the third dose should be taken 90 days after the second dose. The recommended timing of the third dose corresponds to when antibody levels are known to have declined”
第二是科兴疫苗是不推荐作为加强剂的
"The Sinovac-CoronaVac vaccine is not recommended for use as a booster vaccination, except in persons who are unable – for medical reasons – to receive a third dose of the mRNA vaccine. Persons who have completed two doses of the mRNA vaccine without allergies or severe adverse events, are recommended to receive an mRNA vaccine instead of the Sinovac-Coronavac vaccine, if they are eligible for a booster."
灭活疫苗效力不如mRNA这个到现在真的没什么说的了,中国自己也在搞mRNA,估计年底出三期结果。
一个疫苗就像一件防弹衣,保护性是第一的,穿起来舒服还是难受,担不担心拉伤背部肌肉等等是仁者见仁。但只要穿了,哪怕只能放个破片也比光膀子强。新加坡现在就是走疫苗流,一方面迅速部署加强剂,另一方面纳入科兴是力求因为担心mRNA疫苗产生严重过敏反应的人和本身有严重过敏反应史的人可以接种疫苗。这批人里老人居多,属于最高风险的群体。
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