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H5N9

H5N9 noun: a strain of avian influenza.

h5n9: a strain of avian influenza
Image: Burschik, CC BY-SA 3.0, via Wikimedia Commons

Noun

H5N9 (uncountable)

  1. A strain of avian influenza.
    • Authorities said the discovery of H5N9 bird flu in poultry came alongside the detection of the more common H5N1 strain on the same farm in Merced county, California, and that almost 119,000 birds on the farm had been killed since early December.2025 January 27, Edward Helmore, “First outbreak of rare bird flu strain reported at California poultry farm”, in The Guardian, archived from the original on 25 Mar 2025

Questions about H5N9

What does H5N9 mean?
H5N9 means a strain of avian influenza.
What part of speech is H5N9?
H5N9 is a noun.

Words near H5N9 in the dictionary

  1. h4x0rz
  2. h4x3r
  3. h4xx0r
  4. H5N1
  5. H5N2
  6. H5N9
  7. H70
  8. h8
  9. h8ed
  10. h8er
  11. h8ers

Source and license

Adapted from Wiktionary: H5N9 (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “H5N9.” Word.ws, https://word.ws/h5n9. Based on Wiktionary, CC BY-SA 4.0.