bird flu

noun

: avian influenza
specifically : severe often fatal influenza A caused by strains of a subtype (H5N1) of the causative orthomyxovirus that have produced epidemics in domestic birds especially in Asia with sporadic associated human infections

Examples of bird flu in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
People are taking great measures to get eggs Federal data shows that eggs are being seized at U.S. borders more than the synthetic opioid fentanyl, a trend occurring amid an ongoing bird flu outbreak causing poultry shortages across the nation. Nicole Fallert, USA TODAY, 21 Mar. 2025 Avian influenza—commonly known as bird flu—has remained a significant driving factor for the high prices. Thomas G. Moukawsher, Newsweek, 20 Mar. 2025 By the numbers: The U.S. Department of Agriculture recently projected that egg prices will spike 41% in 2025, compared with 2024, amid a bird flu outbreak. Nathan Bomey, Axios, 20 Mar. 2025 Kennedy has also faced criticism from experts over other health threats that the CDC is now responding to, including the growing bird flu outbreak. Alexander Tin, CBS News, 20 Mar. 2025 See All Example Sentences for bird flu

Word History

First Known Use

1972, in the meaning defined above

Time Traveler
The first known use of bird flu was in 1972

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Cite this Entry

“Bird flu.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bird%20flu. Accessed 29 Mar. 2025.

Medical Definition

bird flu

noun
: avian influenza
specifically : severe often fatal influenza A caused by strains of a subtype (H5N1) of the causative orthomyxovirus that have produced epidemics in domestic birds especially in Asia with sporadic associated human infections

More from Merriam-Webster on bird flu

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