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Global trends in molecular epidemiology of HIV-1 during 2000–2007

Global trends in molecular epidemiology of HIV-1 during 2000–2007 Global trends in molecular epidemiology of HIV-1 during 2000 – 2007 a b b Joris Hemelaar , Eleanor Gouws , Peter D. Ghys , Saladin Osmanov and WHO-UNAIDS Network for HIV Isolation and Characterisation Objective: To estimate the global and regional distribution of HIV-1 subtypes and recombinants between 2000 and 2007. Design: Country-specific HIV-1 molecular epidemiology data were combined with estimates of the number of HIV-infected people in each country. Methods: Cross-sectional HIV-1 subtyping data were collected from 65 913 samples in 109 countries between 2000 and 2007. The distribution of HIV-1 subtypes in individual countries was weighted according to the number of HIV-infected people in each country to generate estimates of regional and global HIV-1 subtype distribution for the periods 2000–2003 and 2004–2007. Results: Analysis of the global distribution of HIV-1 subtypes and recombinants in the two periods indicated a broadly stable distribution of HIV-1 subtypes worldwide with a notable increase in the proportion of circulating recombinant forms (CRFs), a decrease in unique recombinant forms (URFs) and an overall increase in recombinants. In 2004– 2007, subtype C accounted for nearly half (48%) of all global infections, followed by subtypes A (12%) and B (11%), CRF02_AG (8%), CRF01_AE (5%), http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png AIDS Wolters Kluwer Health

Global trends in molecular epidemiology of HIV-1 during 2000–2007

AIDS , Volume 25 (5) – Mar 1, 2011

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ISSN
0269-9370
eISSN
1473-5571
DOI
10.1097/QAD.0b013e328342ff93
pmid
21297424
Publisher site
See Article on Publisher Site

Abstract

Global trends in molecular epidemiology of HIV-1 during 2000 – 2007 a b b Joris Hemelaar , Eleanor Gouws , Peter D. Ghys , Saladin Osmanov and WHO-UNAIDS Network for HIV Isolation and Characterisation Objective: To estimate the global and regional distribution of HIV-1 subtypes and recombinants between 2000 and 2007. Design: Country-specific HIV-1 molecular epidemiology data were combined with estimates of the number of HIV-infected people in each country. Methods: Cross-sectional HIV-1 subtyping data were collected from 65 913 samples in 109 countries between 2000 and 2007. The distribution of HIV-1 subtypes in individual countries was weighted according to the number of HIV-infected people in each country to generate estimates of regional and global HIV-1 subtype distribution for the periods 2000–2003 and 2004–2007. Results: Analysis of the global distribution of HIV-1 subtypes and recombinants in the two periods indicated a broadly stable distribution of HIV-1 subtypes worldwide with a notable increase in the proportion of circulating recombinant forms (CRFs), a decrease in unique recombinant forms (URFs) and an overall increase in recombinants. In 2004– 2007, subtype C accounted for nearly half (48%) of all global infections, followed by subtypes A (12%) and B (11%), CRF02_AG (8%), CRF01_AE (5%),

Journal

AIDSWolters Kluwer Health

Published: Mar 1, 2011

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