Lassa fever

noun
Las·​sa fever | \ ˈla-sə- How to pronounce Lassa fever (audio) \

Definition of Lassa fever

: a disease especially of Africa that is caused by an arenavirus (species Lassa virus of the genus Arenavirus) and is characterized by a high fever, headaches, mouth ulcers, muscle aches, small hemorrhages under the skin, heart and kidney failure, and a high mortality rate

First Known Use of Lassa fever

1970, in the meaning defined above

History and Etymology for Lassa fever

Lassa, village in Nigeria

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The first known use of Lassa fever was in 1970

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lass

Lassa fever

Lassalle

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Cite this Entry

“Lassa fever.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Lassa%20fever. Accessed 17 Aug. 2022.

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More Definitions for Lassa fever

Lassa fever

noun
Las·​sa fever | \ ˌlas-ə- How to pronounce Lassa fever (audio) \

Medical Definition of Lassa fever

: a disease especially of Africa that is caused by the Lassa virus and is characterized by a high fever, headaches, mouth ulcers, muscle aches, small hemorrhages under the skin, heart and kidney failure, and a high mortality rate

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