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J Infect Dis. 2007 Jun 15;195(12):1762-4. Epub 2007 May 2.

Decay of the HIV reservoir in patients receiving antiretroviral therapy for extended periods: implications for eradication of virus.

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Laboratory of Immunoregulation, Biostatistics Research Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.


The persistence of latently infected resting CD4+ T cells has been clearly demonstrated in human immunodeficiency virus (HIV)-infected individuals receiving effective antiviral therapy. However, estimates of the half-life of this viral reservoir have been quite divergent. We demonstrate clear evidence for decay of this HIV reservoir in patients who initiated antiviral therapy early in infection. The half-life of this latent viral reservoir was estimated to be 4.6 months. It is projected that it will take up to 7.7 years of continuous therapy to completely eliminate latently infected resting CD4+ T cells in infected individuals who initiate antiviral therapy early in HIV infection.

[Indexed for MEDLINE]

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