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Availability of this freeze-dried vaccine made it, then, possible to think about vaccinating people all over the world.
冻干疫苗的应用能使医护人员,考虑向全世界人民接种疫苗
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Availability of this freeze-dried vaccine made it, then, possible to think about vaccinating people all over the world.
冻干疫苗的应用能使医护人员,考虑向全世界人民接种疫苗
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