Approximately half of the world's population is at risk of malaria.
全球近半人口面临疟疾风险。
Donor Education Standard: It is important that donations are collected from a low-risk donor population.
献血者教育标准：自于低风险人群的捐赠是非常重要的。
Donor Education Standard: It is important that donations are collected from a low-risk donor population.
献血者教育标准：自于低风险人群的捐赠是非常重要的。
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