在今年的结果中，值得注意的是利比里亚和塞拉利昂进步最大。
Among this year's notable results are Liberia and Sierra Leone, which improved the most.
过去四个月中几内亚、利比里亚和塞拉利昂有600多人死于该病。
More than 600 people have died from the disease in Guinea, Liberia and Sierra Leone over the past four months.
利比里亚和塞拉利昂几年前从绝对混乱的边缘被拉回来，而且现在依然保持和平。
Liberia and Sierra Leone have been pulled back from the brink of utter chaos in recent years, and both are now at peace.
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