The US has surprised the pharmaceutical industry by backing a plan to waive Covid-19 vaccine patents, in an attempt to boost production of shots needed to inoculate more of the world.
美国支持一项豁免新型冠状病毒肺炎(COVID-19,即2019冠状病毒病)疫苗专利的计划,以求提高疫苗产量,让世界上更多的人能够接种。此举令制药业错愕。
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