bird flu
noun
: avian influenza
specifically
: severe often fatal influenza A caused by strains of a subtype (H5N1) of the causative orthomyxovirus (Alphainfluenzavirus influenzae) 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
Could baby owls and eagles be the key to stopping the spread of bird flu?
—
John Lauritsen, CBS News, 11 June 2026
Even if a possible outbreak pushes up prices, the changes would be incremental rather than a sudden jump like the price of eggs during the bird flu outbreak.
—Ramishah Maruf, CNN Money, 9 June 2026
Other illnesses, like bird flu, have also been transmitted to pets via commercial raw pet food.
—Mary Walrath-Holdridge, USA Today, 9 June 2026
The Oregon Department of Agriculture (ODA) later confirmed Kira tested positive for bird flu and placed her and Hanson's other cats under quarantine.
—Moná Thomas, PEOPLE, 29 May 2026
See All Example Sentences for bird flu
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John Lauritsen, CBS News, 11 June 2026
Even if a possible outbreak pushes up prices, the changes would be incremental rather than a sudden jump like the price of eggs during the bird flu outbreak.
—Ramishah Maruf, CNN Money, 9 June 2026
Other illnesses, like bird flu, have also been transmitted to pets via commercial raw pet food.
—Mary Walrath-Holdridge, USA Today, 9 June 2026
The Oregon Department of Agriculture (ODA) later confirmed Kira tested positive for bird flu and placed her and Hanson's other cats under quarantine.
—Moná Thomas, PEOPLE, 29 May 2026
See All Example Sentences for bird flu
Cite this Entry
“Bird flu.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bird%20flu. Accessed 18 Jun. 2026.
Copy CitationMedical Definition
bird flu
noun
: avian influenza
specifically
: severe often fatal influenza A caused by strains of a subtype (H5N1) of the causative orthomyxovirus (Alphainfluenzavirus influenzae) that have produced epidemics in domestic birds especially in Asia with sporadic associated human infections
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