疟疾目前仍然是世界最大的健康杀手之一，根据世界卫生组织统计，每30秒就有一个儿童死于疟疾。
Malaria remains one of the world's biggest killers - according to the world Health Organisation (WHO), a child dies of malaria every 30 seconds.
根据世界卫生组织统计的数据，每年死于心血管疾病的人高达1660万，也就是全世界死亡总人数的三分之一。
Cardiovascular disease kills an estimated 16.6 million people, or one-third of total global deaths, each year, according to the World Health Organization.
根据世界卫生组织地区分部——全美卫生组织7月22日发表的统计数据，目前，已有137人死于猪流感。
There have been 137 deaths so far, according to an estimate provided by the WHO regional branch, the Pan-American Health Organization (PAHO), on July 22nd.
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