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
Those worries make sense, and understanding how bird flu spreads and what to watch for is the best way to protect your flock and yourself.
—
Ryan Brennan,
Miami Herald,
2 July 2026
According to the American Veterinary Medical Association, bird flu symptoms in chickens include the following.
—
Ryan Brennan,
Kansas City Star,
1 July 2026
In its statement, Cal-Maine cited bird flu and the COVID-19 pandemic as the main drivers of volatility in egg prices.
—
Mary Cunningham,
CBS News,
30 June 2026
The first case of H5N1 bird flu has been confirmed in Australia, meaning the virus has now found its way to every continent.
—
Brie Stimson,
FOXNews.com,
21 June 2026
See All Example Sentences for bird flu
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Ryan Brennan,
Miami Herald,
2 July 2026
According to the American Veterinary Medical Association, bird flu symptoms in chickens include the following.
—
Ryan Brennan,
Kansas City Star,
1 July 2026
In its statement, Cal-Maine cited bird flu and the COVID-19 pandemic as the main drivers of volatility in egg prices.
—
Mary Cunningham,
CBS News,
30 June 2026
The first case of H5N1 bird flu has been confirmed in Australia, meaning the virus has now found its way to every continent.
—
Brie Stimson,
FOXNews.com,
21 June 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 5 Jul. 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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