Definition of Lassa fever noun from the Oxford Advanced American Dictionary

 

Lassa fever

 noun
noun
NAmE//ˌlæsə ˈfivər//
 
, NAmE//ˌlɑsəˈfivər//
 
[uncountable]
 
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a serious disease, usually caught from rats and found especially in W. Africa
See the Oxford Advanced Learner's Dictionary entry: Lassa fever