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7月28日是世界肝炎日。世界卫生组织今年呼吁各国“为消除肝炎投资”。该机构称，随着近年来病毒性肝炎诊断和治疗成本的不断降低，各国应抓住机会为消除肝炎加大资金投入。
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President Xi: China and France should jointly prevent a new cold...
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