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
The Colorado Department of Agriculture (CDA) told local outlet FOX31 News there was a presumptive positive test for HPAI, also known as the bird flu, at an egg laying facility in the county.
—
Alexandra Koch, FOXNews.com, 30 Jan. 2026
For the third time in less than a month, a Georgia commercial poultry flock has tested positive for a contagious strain of bird flu that’s deadly to birds, state agriculture officials announced Wednesday.
—Drew Kann, AJC.com, 29 Jan. 2026
The bulletin also cited biological threats, such as the coronavirus and bird flu, and the official responses to them as factors in moving the clock.
—Atharva Gosavi, Interesting Engineering, 28 Jan. 2026
Forces including the Covid-19 pandemic, bird flu, droughts, tariffs, Russia’s invasion of Ukraine, and flesh-eating screwworms, among others, have all combined to increase the cost of beef, eggs, and other sundries.
—Sarah Todd, STAT, 16 Jan. 2026
See All Example Sentences for bird flu
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.
Alexandra Koch, FOXNews.com, 30 Jan. 2026
For the third time in less than a month, a Georgia commercial poultry flock has tested positive for a contagious strain of bird flu that’s deadly to birds, state agriculture officials announced Wednesday.
—Drew Kann, AJC.com, 29 Jan. 2026
The bulletin also cited biological threats, such as the coronavirus and bird flu, and the official responses to them as factors in moving the clock.
—Atharva Gosavi, Interesting Engineering, 28 Jan. 2026
Forces including the Covid-19 pandemic, bird flu, droughts, tariffs, Russia’s invasion of Ukraine, and flesh-eating screwworms, among others, have all combined to increase the cost of beef, eggs, and other sundries.
—Sarah Todd, STAT, 16 Jan. 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 4 Feb. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
