Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Lassa fever

play
noun Las·sa fever \ˈla-sə-\

Definition of Lassa fever

  1. :  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



Origin of lassa fever

Lassa, village in Nigeria


First Known Use: 1970


Medical Dictionary

Lassa fever

play
noun Las·sa fever \ˌlas-ə-\

Medical Definition of Lassa fever

  1. :  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




Learn More about lassa fever


Seen and Heard

What made you want to look up Lassa fever? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 9, 2016

marked by high spirits and laughter

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

kittly-benders duvet pince-nez spindrift
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ