swine flu

noun
|Updated on: 1 Aug 2018

Definition of swine flu

: swine influenza; also : influenza A of humans that is caused by a different strain of an orthomyxovirus subtype (H1N1) from those found in swine and that is marked especially by fever, sore throat, cough, chills, body aches, fatigue, and sometimes diarrhea and vomiting

Recent Examples of swine flu from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'swine flu.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of swine flu

1921

in the meaning defined above

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Medical Dictionary

swine flu

noun

medical Definition of swine flu

: swine influenza; also : influenza of humans that is caused by a subtype (H1N1) of an orthomyxovirus (species Influenza A virus of the genus Influenzavirus A) originating in swine and is marked especially by fever, sore throat, cough, chills, body aches, fatigue, and sometimes diarrhea and vomiting
  • Among the swine flu cases in the United States, none had had any contact with pigs …
  • —Marc Lacey and Donald G. McNeil Jr.The New York Times25 Apr. 2009
  • As swine flu spreads from person to person around the world, it is most often being transmitted by coughing or sneezing …
  • —Laura LandroThe Wall Street Journal29 Sept. 2009


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