Organisms

West Nile virus

A species of FLAVIVIRUS, one of the Japanese encephalitis virus group (ENCEPHALITIS VIRUSES, JAPANESE). It can infect birds and mammals. In humans, it is seen most frequently in Africa, Asia, and Europe presenting as a silent infection or undifferentiated fever (WEST NILE FEVER). The virus appeared in North America for the first time in 1999. It is transmitted mainly by CULEX spp mosquitoes which feed primarily on birds, but it can also be carried by the Asian Tiger mosquito, AEDES albopictus, which feeds mainly on mammals.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A species of FLAVIVIRUS, one of the Japanese encephalitis virus group (ENCEPHALITIS VIRUSES, JAPANESE). It can infect birds and mammals. In humans, it is seen most frequently in Africa, Asia, and Europe presenting as a silent infection or undifferentiated fever (WEST NILE FEVER). The virus appeared in North America for the first time in 1999. It is transmitted mainly by CULEX spp mosquitoes which feed primarily on birds, but it can also be carried by the Asian Tiger mosquito, AEDES albopictus, which feeds mainly on mammals.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

See Also

MeSH Record

Synonyms

2 entry terms
  • Egypt 101 virus
  • Kunjin virus

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 = WEST NILE FEVER

MeSH Record

History Note

1973 (1965); for KUNJIN VIRUS use ENCEPHALITIS VIRUSES, JAPANESE 1994-2001

MeSH Hierarchy

Tree Numbers

  1. B04w.820w.230.475.950w
  2. B04w.820w.578w.344w.350w.300.950w

MeSH Record

NLM Classification

QW 168.5.F5

AMA Style

References

  1. National Library of Medicine. West Nile virus. Medical Subject Headings (MeSH). 2026. Unique ID D014902. http://id.nlm.nih.gov/mesh/2026/D014902
  2. West Nile virus. In: Wikipedia. https://en.wikipedia.org/wiki/West_Nile_virus
  3. West Nile virus. In: Wikidata. https://www.wikidata.org/wiki/Q158856