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发展中国家每年有１２００万５岁以下儿童死亡，其中７０％的死亡可归于５个主要原因，即急性呼吸道感染（大多为肺炎）、腹泻、麻疹、疟疾或营养不良，且常为这几种病的合并感染。此外，儿童每４次发病中有３次与这５种常见的疾病有关，且每天有数以百万计的父母带着子女到医
Each year, 12 million children under the age of 5 are killed in developing countries, of which 70% are attributable to five major causes: acute respiratory infections (mostly pneumonia), diarrhea, measles, malaria or malnutrition, and often these Infection with the disease. In addition, 3 out of every 4 episodes of illness in children are related to these 5 common diseases, and millions of parents take their children to the doctor every day