根据世界卫生组织的声明，猪流感的传播速度是空前的。
According to the World Health Organization (WHO), the swine flu propagation rate is "without precedents."
根据世界卫生组织的准则，对HIV阳性的儿童的治疗应至少持续到5岁。
According to WHO guidelines, treatment of HIV-positive children should continue until at least age five.
抑郁症是常见病，根据世界卫生组织的统计结果，全世界累及1.21亿人口。
Depression is common, affecting about 121 million people worldwide, according to the world Health Organization.
抑郁症是常见病，根据世界卫生组织的统计结果，全世界累及1.21亿人口。
Depression is common, affecting about 121 million people worldwide, according to the world Health Organization.
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