a highly contagious form of influenza caused by infection with a filterable virus first isolated from swine.
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Origin of swine flu
First recorded in 1920–25
Words nearby swine flu
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for swine flu
When the swine-flu virus reached Hong Kong yesterday, China was ready.
On his 100 days marker, with the swine-flu fear running high, Ford turns out to offer the most relevant precedent.
Scientific definitions for swine flu
[ swīn ]
A highly contagious form of influenza seen in swine, caused by a virus of the family Orthomyxoviridae. The infection is communicable to humans and caused a worldwide epidemic in 1918.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.