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human immunodeficiency virus-2 (HIV-2)
Type 2 human immune deficiency virus
Epidemiology:
- not been widely seen outside of Africa
- 1st case in the United States was in 1987
Pathology:
- CXCR4 is a primary receptor for some HIV-2 isolates
- CCR4 is a coreceptor for some primary HIV-2 isolates
Laboratory:
- HIV2 EIA/ELISA
- many HIV1 ELISA test kits for HIV-1 will also detect HIV-2
- HIV2 western blot for conformation
- HIV2 RNA
- obtain HIV1 viral load
Management:
- less likely to respond to antiretroviral therapy as patients with HIV-1 infection
- include two NRTIs & a antiretrovial protease inhibitor, such as lopinavir, saquinavir, or darunavir
- do not prescribe NNRTIs or the antiretrovial protease inhibitors nelfinavir, atazanavir, or fosamprenavir unless co-infected with HIV1
Related
human immunodeficiency virus-1 (HIV-1)
General
human immunodeficiency virus (HIV)
Properties
KINGDOM: virus
GENOME-TYPE: ribonucleic acid
References
- Wikipedia; Subtypes of HIV
http://en.wikipedia.org/wiki/HIV-2