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全球最大的两家疫苗公司英国葛兰素史克公司和法国赛诺菲集团正合作研发新冠肺炎疫苗，或将在数月后开始人体试验。如果试验获得成功，疫苗将在2021年下半年大量投放市场。 A worker checks the temperature of a customer at the entrance of a supermarket in Turin, Italy, on Tuesday, as the spread of the novel coronavirus continues. [MASSIMO PINCA/REUTERS] Two of the world’s biggest vaccine companies have joined forces in an “unprecedented” collaboration to develop a Covid-19 vaccine. 世界上最大的两家疫苗公司展开“前所未有”的合作，联手研发新冠肺炎疫苗。 GlaxoSmithKline and Sanofi, which combined have the largest vaccine manufacturing capability in the world, are working together on a hi-tech vaccine they say could be in human trials within months. 英国葛兰素史克公司和法国赛诺菲集团正在合作研发一种高科技疫苗，这两家公司加起来拥有世界上最大规模疫苗生产能力。两家公司称，这种疫苗可能在数月后开始进行人体试验。 The pairing is significant because, if successful, the two companies have the capacity to manufacture the hundreds of millions of doses that are likely to be required worldwide. 这一合作意义重大，因为一旦成功，两家公司有能力生产出全世界可能需要的数亿剂疫苗。 | 
