According to the WHO, there are more than 170 candidate vaccines, with seven in the final phase 3 of large-scale efficacy trials. None has been approved for general use so far.
据世卫组织介绍,目前有170多种候选疫苗,其中7种处于大规模疗效试验的最终阶段。到目前为止,还没有一种被批准广泛接种。
Vaccines normally require years of testing and additional time to produce at scale, but scientists are hoping to develop a COVID-19 vaccine within 12 to 18 months.
疫苗通常需要数年的测试和额外的时间来大规模生产,但科学家希望在12至18个月内研制出新冠疫苗。
Russia said on Saturday it has produced its first batch of a COVID-19 vaccine, after President Vladimir Putin announced the nation was the first to approve a vaccine, the Moscow Times reported on Monday.
据《莫斯科时报》周一报道,在俄罗斯总统普京宣布该国第一个批准新冠肺炎疫苗后,俄罗斯于上周六宣布已生产出第一批新冠肺炎疫苗。
Mexico will receive at least 2,000 doses of Russia's vaccine as part of its phase 3 clinical trials.
作为三期临床试验的一部分,墨西哥将接受至少2000剂俄罗斯疫苗。
The European Union announced on Monday that it had concluded exploratory talks with US firm Moderna to purchase a potential vaccine after a similar talk last week with Germany-based CureVac.
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