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Flu vs Illness - What's the difference?

flu | illness |

As nouns the difference between flu and illness

is that flu is influenza while illness is (countable) an instance of a disease or poor health.

flu

English

(Influenza)

Alternative forms

* 'flu (dated), floo (dated)

Noun

(en noun)
  • Influenza.
  • (informal) Common cold.
  • Synonyms

    * (influenza) grippe, grip

    Derived terms

    * avian flu * bird flu * blue flu * diplomatic flu * Spanish flu * stomach flu * swine flu

    See also

    * catarrh English clippings ----

    illness

    English

    Noun

  • (countable) An instance of a disease or poor health.
  • (uncountable) A state of bad health or disease.
  • Synonyms

    * (instance) sickness * (state) sickness * See also