Organism

Human immunodeficiency virus 2

HIV-2

A retrovirus distinct from HIV-1 that also causes HIV infection; laboratory HIV testing looks for antibodies to both HIV-1 and HIV-2.

NCBI TAXONOMY IDENTIFIER11709View source record ↗

Overview

EXPLORE BY LEVEL

There are two types of HIV: HIV-1 and HIV-2. Both attack the immune system, and standard HIV screening tests look for signs of either type.

Quick Facts

AT A GLANCE

Scientific nameHuman immunodeficiency virus 2

Taxonomy ID11709

Organism typeRetrovirus · Lentivirus

Follow the Connections

See how Human immunodeficiency virus 2 links to other biological records.

DiseaseHIV Infectioncaused by BiomarkerHIV Antibodiesantibody to

All 2 Structured Connections

HIV Infection · DiseaseCAUSED BY →Human immunodeficiency virus 2 · Organism

HIV Antibodies · BiomarkerANTIBODY TO →Human immunodeficiency virus 2 · Organism

Recommended Reading

Trusted references for learning more about Human immunodeficiency virus 2.

databaseHuman immunodeficiency virus 2 (taxon 11709)NCBI Datasets Taxonomy Browser guide2018 Quick Reference Guide: Recommended Laboratory HIV Testing Algorithm for Serum or Plasma SpecimensCenters for Disease Control and Prevention · Association of Public Health Laboratories guideHIV Screening TestMedlinePlus Medical Tests

Research Claims

NCBI Taxonomy identifies HIV-2 with taxonomy ID 11709.

[1] NCBI Datasets Taxonomy Browser

The recommended laboratory HIV testing algorithm detects HIV-1 and HIV-2 antibodies, then differentiates HIV-1 antibodies from HIV-2 antibodies; a positive HIV-2 result is laboratory evidence of HIV-2 infection.

[1] Centers for Disease Control and Prevention · Association of Public Health Laboratories