avian influenza

avian influenza definition - medical

avian influenza

noun
A potentially fatal infection in birds caused by any of various subtypes of the influenza type A virus, especially the H5N1 virus, which is highly contagious among birds and can be transmitted to humans who have been in direct contact with infected birds.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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