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痊愈人群再染病率远低已接种疫苗群

 发信人: gunchulai (迅雷不及掩鸟), 信区: Military
标  题: 以色列:痊愈人群再染病率远低已接种疫苗群
发信站: BBS 未名空间站 (Thu Jul 15 12:29:39 2021, 美东)

以色列卫生部专家发现,相比已接种疫苗人群,实际感染过新冠并已痊愈者再染上
Delta毒株的可能性更低。这意味着对Delta毒株而言,自然感染产生的抗体可能比接种
疫苗所产生的更为有效。

以色列国家新闻报道数据显示,该国最新一波疫情总共逾7700例新增病例中,只有72例
为痊愈人群重复感染,不到新增总数的1%。相比之下,高达3000名感染者已完全接种两
针剂疫苗,占新增总数的40%。

按概率算,72例再感染病例占以色列已感染人数的0.0086%,而3000例接种后感染病例
占该国已接种人数的0.0578%。由此,接种后感染概率是重复感染的6.72倍。

上述结论与此前福奇(Fauci)等美国专家的主张有所背离。他们此前坚称,相比自然
感染产生的抗体,疫苗所产生的抗体对Delta毒株抵御力更强,并要求已感染人群也注
射新冠疫苗。辉瑞和Moderna两家疫苗公司也持类似观点。

不过,以色列专家似乎并未对两种情况下,感染Delta毒株后的病情严重程度进行对比
。美国疾病控制与预防中心(CDC)上周表示,在完全接种两剂疫苗的情况下,即使发
生突破性感染的病例也较少导致严重疾病。世卫组织(WHO)本周也指出,现有疫苗虽
不会完全Delta毒株阻断感染,但接种后感染者多为轻度或无症状。

目前,一些制药公司正在加紧研发对抗变种病毒的疫苗。上周四辉瑞制药宣布,该公司
正研发新冠疫苗增强剂,旨在针对Delta毒株。辉瑞和BioNTech正与美国药品监管机构
进行讨论以敲定临床试验计划,并预计最早在8月开始进行临床试验。

——色列国家新闻报

Comments

  1. 个人层面来说,不中还是比较好,这玩意对神经系统和男性阴茎的后遗症是有科学依据的。

让其他人去中,去当培养基制造更弱的变种,过几年优势变种可能就非常弱了,或者疫苗的性能好得多了,到时候打新疫苗或者得新冠都不迟


    ReplyDelete

  2. 房产确实是这个道理,买了卖卖了买都不是好策略。

    买了就别卖了, 出租,好地段的房租迟早上涨。

    ReplyDelete

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