重要事实拉沙热是发生在西非的一种急性病毒出血热疾病,可持续一至四个星期。拉沙病毒经由接触被啮齿类动物的尿液或粪便污染的食品或家庭用品传播给人。人际感染和实验室传播也会发生,尤其是在缺乏适当感染防控措施的医院里。拉沙热据知在贝宁(2014年11月首次在贝宁诊断出该病)、几内亚、利比里亚、塞拉利昂,以及尼日利亚的部分地区流行, Key facts Lassa fever is an acute virus hemorrhagic fever disease that occurs in West Africa and lasts from one to four weeks. Lassa virus is transmitted to humans through contact with food or household products contaminated with rodent urine or excrement. Interpersonal and laboratory transmission can also occur, especially in hospitals that lack proper infection control measures. Lassa fever is known to have prevailed in Benin (the first such disease was diagnosed in Benin in November 2014), Guinea, Liberia, Sierra Leone and parts of Nigeria,