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swine flu vs. flu
[ swahyn-floo ]
noun
- a form of influenza that afflicts pigs.
- a form of influenza that afflicts humans by infection with a virus once thought to be very similar to the influenza virus found in North American pigs.
[ floo ]
noun
- influenza.
- a specific variety of influenza, usually named for its point of dissemination or its animal vector: Hong Kong flu; swine flu.