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WHO有条件地支持给被Covid-19感染的人进行疫苗试验

WHO conditionally backs Covid-19 vaccine trials that infect people

Controversial trials in which volunteers are intentionally infected with Covid-19 could accelerate vaccine development, according to the World Health Organization, which has released new guidance on how the approach could be ethically justified despite the potential dangers for participants.

世界卫生组织(World Health Organization)称:有争议的试验可能会加速疫苗开发,在这些试验中志愿者自愿被Covid-19所感染。

So-called challenge trials are a mainstream approach in vaccine development and have been used in malaria, typhoid and flu, but there are treatments available for these diseases if a volunteer becomes severely ill. For Covid-19, a safe dose of the virus has not been established and there are no failsafe treatments if things go wrong.

所谓的挑战试验是疫苗开发的主要方法,已用于疟疾、伤寒和流感;一旦如果志愿者病情加重,自然也有对应的治疗方法;但对于Covid-19来说目前还没有确定病毒的安全剂量,如果出现问题,也没有万无一失的治疗方法。

Scientists, however, increasingly agree that such trials should be considered, and the WHO is the latest body to indicate conditional support for the idea.

然而,越来越多的科学家同意应该考虑这样的试验,世界卫生组织是最新一个表示有条件支持这一想法的机构。

Read more at The Guardian

翻译:SGCS翻译组

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