Organisms

H9N2 Subtype Influenza A Virus

A subtype of INFLUENZA A VIRUS comprised of the surface proteins hemagglutinin 9 and neuraminidase 2. The H9N2 subtype usually infects domestic birds (POULTRY) but there have been some human infections reported.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A subtype of INFLUENZA A VIRUS comprised of the surface proteins hemagglutinin 9 and neuraminidase 2. The H9N2 subtype usually infects domestic birds (POULTRY) but there have been some human infections reported.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

12 entry terms
  • Avian Influenza A(H9N2) Virus
  • H9N2
  • H9N2 Bird Flu Virus
  • H9N2 Influenza Virus
  • H9N2 Virus
  • H9N2 subtype
  • Influenza A Virus, H9N2 Subtype
  • Influenza A(H9N2) Virus
  • H9N2 Viruses
  • H9N2 subtypes
  • Virus, H9N2
  • subtype, H9N2

MeSH Record

Aspects Covered

13 allowable subheadings

Indexed with the subheadings chemistry, classification, drug effects, enzymology, genetics, growth & development, immunology, isolation & purification, metabolism, pathogenicity, physiology, radiation effects, ultrastructure.

MeSH Record

Indexing Annotation

infection: coordinate IM with INFLUENZA, HUMAN (IM) in humans, or INFLUENZA IN BIRDS (IM) in birds, or ORTHOMYXOVIRIDAE INFECTIONS (IM) in other animals

MeSH Record

History Note

2006

MeSH Record

Previous Indexing

  • Influenza A Virus (1999-2005)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. H9N2 Subtype Influenza A Virus. Medical Subject Headings (MeSH). 2026. Unique ID D053127. http://id.nlm.nih.gov/mesh/2026/D053127
  2. H9N2 Subtype Influenza A Virus. In: Wikipedia. https://en.wikipedia.org/wiki/Influenza_A_virus_subtype_H9N2
  3. H9N2 Subtype Influenza A Virus. In: Wikidata. https://www.wikidata.org/wiki/Q3124723