Lassa fever
/ˈlɑːsə/noun
mass noun
- an acute and often fatal viral disease, with fever, occurring chiefly in West Africa. It is usually acquired from infected rats.拉沙热（急性常致命的病毒性疾病, 伴有发烧, 主要流行于西非, 通常由带病鼠传染）。
词源
1970s: named after the village of Lassa, in NW Nigeria， where it was first reported.