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M94A0207.TXT
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1994-10-08
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Document 0207
DOCN M94A0207
TI Reduced rate of disease development after HIV-2 infection as compared to
HIV-1.
DT 9412
AU Marlink R; Kanki P; Thior I; Travers K; Eisen G; Siby T; Traore I; Hsieh
CC; Dia MC; Gueye EH; et al; Department of Cancer Biology, Harvard
School of Public Health,; Boston, MA 02115.
SO Science. 1994 Sep 9;265(5178):1587-90. Unique Identifier : AIDSLINE
MED/94360247
AB Human immunodeficiency virus type-2 (HIV-2) is a close relative of the
prototype acquired immunodeficiency syndrome (AIDS) virus, HIV-1. HIV-2
is biologically similar to HIV-1, but information is lacking concerning
clinical outcomes of HIV-2-infected individuals. From 1985 to 1993, a
prospective clinical study was conducted in women with HIV-2 and HIV-1
infection to determine and compare rates of disease development.
HIV-1-infected women had a 67% probability of AIDS-free survival 5 years
after seroconversion in contrast with 100% for HIV-2-infected women. In
addition to having significantly less HIV-related disease outcome in
HIV-2 enrollees compared to HIV-1 enrollees, the rate of developing
abnormal CD4+ lymphocyte counts with HIV-2 infection was also
significantly reduced. This natural history study demonstrates that
HIV-2 has a reduced virulence compared to HIV-1.
DE Acquired Immunodeficiency Syndrome/EPIDEMIOLOGY/IMMUNOLOGY/
*MICROBIOLOGY Adult Cohort Studies Comparative Study Female Human
HIV Infections/EPIDEMIOLOGY/IMMUNOLOGY/*MICROBIOLOGY
HIV-1/*PATHOGENICITY HIV-2/*PATHOGENICITY Immune Tolerance Incidence
Leukocyte Count Prospective Studies Senegal/EPIDEMIOLOGY Support,
U.S. Gov't, Non-P.H.S. Support, U.S. Gov't, P.H.S. T4 Lymphocytes
Virulence JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).