influenza

infectious disease caused by an influenza virus
MedicalCondition class_of_disease Q2840
influenza
National Institutes of Health; originally uploaded to en.wikipedia by TimVickers (25 October 2006), transferred to Commons by Quadell using CommonsHelper. · Public Domain · Wikimedia
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Summary

influenza is a class of disease[1]. influenza ranks in the top 2% of class of disease entities by monthly Wikipedia readership (25,925 views/month).[2]

Key Facts

  • Instance of: symptom or sign[3]
  • Subclass of: acute viral respiratory tract infection[4], Orthomyxoviridae infectious disease[5], respiratory disease[6], viral infectious disease[7], pandemic and epidemic-prone diseases[8]
  • Commons category: Influenza[9]
  • ICPC 2 ID: R80[10]
  • Symptoms and signs: fever[11], nasal congestion[12], myalgia[13], headache[14], fatigue[15], cough[16], rhinitis[17], chest pain[18], chills[19]
  • Has cause: Orthomyxoviridae[20]
  • Topic's main category: Category:Influenza[21]
  • Medical examination: physical examination[22], complete blood count[23], viral culture[24], immunofluorescence microscopy[25]
  • Anatomical location: respiratory system[26]
  • Described at URL: https://www.bbc.co.uk/future/article/20260227-why-is-there-no-universal-flu-vaccine[27]
  • Disease transmission process: airborne transmission[28], droplet infection[29], direct transmission[30], fomite transmission[31]
  • Described by source: The Nuttall Encyclopædia[32], Brockhaus and Efron Encyclopedic Dictionary[33], Small Brockhaus and Efron Encyclopedic Dictionary[34], Encyclopædia Britannica 11th edition[35], Armenian Soviet Encyclopedia, vol. 3[36], Explanatory Dictionary of the Living Great Russian Language[37]
  • Topic has template: Template:Influenza sidebar[38], Template:Influenza[39]
  • Has effect: influenza pandemic[40], epidemic[41], disease outbreak[42]
  • Has characteristic: contagiousness[43]
  • Has natural reservoir: human[44], bird[45], Sus[46]

Body

Works and Contributions

Things named for influenza include affluenza[47], a blend word[48].

Why It Matters

influenza has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[49] influenza is known by 60 alternative names across languages and contexts.[50]

Entities named for influenza include affluenza[47], a blend word[48].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . Disease Ontology. Retrieved . wikidata.org.
  5. [7] ↑ . Disease Ontology. Retrieved . wikidata.org.
  6. [8] ↑ . emro.who.int. emro.who.int. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . Disease Ontology. Retrieved . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . Disease Ontology. Retrieved . wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.
  28. [30] ↑ . wikidata.org.
  29. [31] ↑ . wikidata.org.
  30. [32] ↑ . wikidata.org.
  31. [33] ↑ . wikidata.org.
  32. [34] ↑ . wikidata.org.
  33. [35] ↑ . wikidata.org.
  34. [36] ↑ . wikidata.org.
  35. [37] ↑ . wikidata.org.
  36. [38] ↑ . wikidata.org.
  37. [39] ↑ . wikidata.org.
  38. [40] ↑ . wikidata.org.
  39. [41] ↑ . wikidata.org.
  40. [42] ↑ . wikidata.org.
  41. [43] ↑ . wikidata.org.
  42. [44] ↑ . wikidata.org.
  43. [45] ↑ . wikidata.org.
  44. [46] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [47] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [48] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [49] ↑ . Wikidata sitelinks. wikidata.org.
  3. [50] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). influenza. Retrieved October 17, 2026, from https://4ort.xyz/entity/influenza
MLA “influenza.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Oct. 2026, https://4ort.xyz/entity/influenza.
BibTeX @misc{4ortxyz_influenza_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{influenza}}, year = {2026}, url = {https://4ort.xyz/entity/influenza}, note = {Accessed: 2026-10-17}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): influenza — https://4ort.xyz/entity/influenza (retrieved 2026-10-17)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 7h ago · Powerek38 · 2026-10-17 view diff on Wikidata ↗
    Sitelink count → 165
    Wikipedia languages → ['af', 'als', 'an', 'ar', 'arz', 'as', 'ast', 'awa', 'ay', 'az', 'azb', 'ba', 'b
    Eska.pl topic id → tg-JsPR-FmBW-59ha
    Claims rich → —
    "/* wbsetclaim-create:1||1 */ Eska.pl topic id: tg-JsPR-FmBW-59ha, Matched to [[:toollabs:mix-n-match/#/entry/250707830|grypa (#250707830)]] in [[:toollabs:mix-n-match/#/catalog/7420|eska.pl topic]] "
  2. 29d ago · ならちゃん · 2026-09-19 view diff on Wikidata ↗
    Nhk one news topic id → E0000000158
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/54972|batch #54972]]"
  3. 8w ago · SLuecke · 2026-08-17 view diff on Wikidata ↗
    Verbaalpina id → C6982
    "/* wbcreateclaim-create:1| */ Verbaalpina id: C6982, #quickstatements; #temporary_batch_1786955435161"
  4. 14w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → lQUGo, 1k7hsI
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  5. 15w ago · JhealdBatch bot · 2026-07-05 view diff on Wikidata ↗
    Instance of → class of disease, symptom or sign
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/39916|batch #39916]]: rm redundant disease superclass"
  6. 15w ago · JhealdBatch bot · 2026-07-03 view diff on Wikidata ↗
    Subclass of → acute viral respiratory tract infection, Orthomyxoviridae infectious disease, respiratory disease +2
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/39732|batch #39732]]: rm redundant subclass"
  7. 16w ago · Yirba · 2026-06-22 view diff on Wikidata ↗
    P14544 → 4672
    "/* wbcreateclaim-create:1| */ P14544: 4672, [[:toollabs:quickstatements/#/batch/259800|batch #259800]]"
  8. 17w ago · Susmuffin · 2026-06-18 view diff on Wikidata ↗
    Harper's tag → flu, influenza
    Svkkl authority id → h0000959-chripka
    "/* wbsetclaim-create:1||1 */ Harper's tag: flu, Matched to [[:toollabs:mix-n-match/#/entry/289925783|flu (#289925783)]] in [[:toollabs:mix-n-match/#/catalog/7915|Harper's tag]] #mix'n'match"
  9. 21w ago · Charp238 · 2026-05-23 view diff on Wikidata ↗
    Subclass of → acute viral respiratory tract infection, Orthomyxoviridae infectious disease, respiratory disease +2
    "/* wbremoveclaims-remove:1| */ Subclass of: Virus diseases of plants"
  10. 21w ago · Twofivesixbot bot · 2026-05-19 view diff on Wikidata ↗
    Local thumb → —
    "/* wbsetclaim-update-qualifiers:1||1|4 */ Yso id: 8656, mv to monolingual text names on YSO statements"
  11. 23w ago · Sofie Geneea · 2026-05-07 view diff on Wikidata ↗
    Iab code → 315
    Local thumb → —
    "/* wbsetclaim-create:2||1 */ Iab code: 315"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.