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世界卫生组织(WHO)分别于每年2、9月召开专门会议,推荐南、北半球的流行性感冒(流感)疫苗的成分。本建议适用于南半球下个流感流行季节(2010年5～10月)使用的疫苗成分。有关北
The World Health Organization (WHO) convened a special meeting in February and September each year to recommend components of the influenza (influenza) vaccine in the southern and northern hemispheres. This recommendation applies to the vaccine components used in the southern hemisphere during the flu season (May-October 2010). About North