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Low CD4+ T-lymphocyte values in human immunodeficiency virus-negative adults in Botswana
Hermann Bussmann1, C William Wester, Kereng V Masupu
1Botswana-Harvard AIDS Partnership, Gaborone, Botswana.
Insights
Healthy adults in Botswana show lower CD4+ lymphocyte counts (LCs) than typically reported. These findings are crucial for managing HIV disease in sub-Saharan Africa.
Area of Science:
- Immunology
- Public Health
- Hematology
Background:
- CD4+ lymphocyte counts (LCs) are vital for HIV management and monitoring.
- Variability in CD4+ LCs can stem from measurement techniques or biological factors.
Purpose of the Study:
- To report CD4+ LCs in healthy, HIV-seronegative adults in Botswana.
- To establish baseline CD4+ LC data for this specific population.
Main Methods:
- Analysis of blood samples from HIV-seronegative blood donors in Botswana.
- Quantification of CD4+ and CD8+ lymphocyte counts and calculation of the CD4+-to-CD8+ ratio.
Main Results:
- Median CD4+ LC was 726 cells/mm³ (females: 782, males: 698).
- Median CD8+ LC was 488 cells/mm³ (females: 494, males: 485).
- Median CD4+-to-CD8+ ratio was 1.57 (females: 1.66, males: 1.51).
Conclusions:
- Findings indicate lower CD4+ LCs among HIV-negative adults in Botswana.
- These results have significant implications for HIV disease management in this sub-Saharan African country.
Abstract:
CD4+-lymphocyte counts (LCs) play a crucial role in the management and monitoring of HIV infection. Variability in CD4+ LCs has been reported to occur as a result of measurement techniques and/or biological variations. We report on the CD4+ LCs of healthy human immunodeficiency virus (HIV)-seronegative adults in Botswana. Samples were obtained from HIV-seronegative blood donors. The median CD4+ LC was 726 cells/mm3 (for females, 782 cells/mm3; for males, 698 cells/mm3). The median CD8+ LC was 488 cells/mm3 (for females, 494 cells/mm3; for males, 485 cells/mm3). The median CD4+-to-CD8+ ratio was 1.57 (for females, 1.66; for males, 1.51). Our findings of low CD4+ LCs among HIV-negative adults in Botswana are significant and have important implications for the management of HIV disease in the population of this sub-Saharan African country.
