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英国科学家被指向上千婴儿注射“猴子身上没成功”的疫苗

2017-09-06 16:25:41   中国青年网

牛津大学科学家被指在非洲儿童身上实验某争议性疫苗,引职业道德质疑。根据英国独立报报道,牛津大学前教授彼得·比佛利称,约1500名开普敦儿童被注射了一种新型的肺结核疫苗。然而,人们并不知道,在牛津大学的研究过程中,那些被注射该新型疫苗的猴子都“很快死去”了。在猴子身上做实验时出现了令人担忧的结果,却完全被牛津大学科学家们给忽视了。

彼得·比佛利教授告诉BBC称,实验中,注射了一种被广泛应用的肺结核疫苗BCG的6只猴子中,只有2只死亡。然而,注射了新疫苗MVA85A的6只猴子反应很不好,其中5只都不得不进行安乐死。他称,大多数注射了该种新疫苗的猴子都很快“被死亡”了,这不免有点奇怪,“目前为止,没有证据表明这是一种有效的疫苗。”

根据英国每日邮报报道,在猴子实验开始10个月后,牛津大学研究人员就申请了在2800名南非儿童身上做临床实验的经费。彼得?比佛利教授称,南非的相关部门管理者在评估此项疫苗应用的时候,并不知道猴子实验中的信息。此项开普敦的临床实验项目中的2800名儿童中,有一半多婴幼儿(1500名)被注射了这种新型疫苗。他向牛津大学提起正式质疑。

而牛津大学坚称,所有的研究数据都提供给了南非,还指出该疫苗之前就已经通过了动物实验阶段。在他们2009年开始此项研究的时候,这个疫苗就已经在424名实验者身上成功试验了。这次被质疑的研究,只因为在猴子身上使用的肺结核病毒剂量过大,导致猴子反应很不好,才对它们进行了安乐死,导致了高死亡率。

英格兰公共卫生局也称,牛津大学的此次研究是一次作用于动物的独立实验,而不是疫苗应用于人类临床实验前的实验,因此结果不具有相关性。不过,卫生局也指出,“如果在猴子实验中显示的潜在副作用,能更及时地报告给相关部门的话就更好了。”

而批准该项疫苗应用的南非相关部门管理者承认,这些被注射疫苗儿童的父母收到的通知单上,“关于动物实验有效性的信息可以被理解为有误导”。通知单上声称,该疫苗已经在人和动物身上实验,安全且有效。

南非的史泰伦布西大学吉米·瓦明克教授告诉英国电讯报,猴子实验的结果没有在通知单上反应出来,这是不对的。他还指出,这些参与临床试验的儿童都来自贫困家庭,父母没有良好的教育背景,相关部门应该给他们提供足够清楚的,易于理解的信息。

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