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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/98687
Absence of hepatitis delta infection in a large rural HIV cohort in Tanzania
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OBJECTIVES: The epidemiological and clinical determinants of
hepatitis delta virus (HDV) infection in Sub-Saharan Africa are
ill-defined. The prevalence of HDV infection was determined in
HIV/hepatitis B virus (HBV) co-infected individuals in rural
Tanzania. METHODS: All hepatitis B virus (HBV)-infected adults
under active follow-up in the Kilombero and Ulanga
Antiretroviral Cohort (KIULARCO) were screened for anti-HDV
antibodies. For positive samples, a second serological test and
nucleic acid amplification were performed. Demographic and
clinical characteristics at initiation of antiretroviral therapy
(ART) were compared between anti-HDV-negative and positive
patients. RESULTS: Among 222 HIV/HBV co-infected patients on
ART, 219 (98.6%) had a stored serum sample available and were
included in the study. Median age was 37 years, 55% were female,
46% had World Health Organization stage III/IV HIV disease, and
the median CD4 count was 179 cells/mul. The prevalence of
anti-HDV positivity was 5.0% (95% confidence interval 2.8-8.9%).
There was no significant predictor of anti-HDV positivity. HDV
could not be amplified in any of the anti-HDV-positive patients
and the second serological test was negative in all of them.
CONCLUSIONS: No confirmed case of HDV infection was found among
over 200 HIV/HBV co-infected patients in Tanzania. As
false-positive serology results are common, screening results
should be confirmed with a second test.
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WINTER, Annja, LETANG, Emilio, KALINJUMA, Aneth vedastus, KIMERA, Namvua, NTAMATUNGIRO, Alex j., GLASS, Tracy r., MORADPOUR, Darius, SAHLI, Roland, LE GAL, Frédéric, FURRER, Hansjakob, WANDELER, Gilles, KIULARCO Study Group. Absence of hepatitis delta infection in a large rural HIV cohort
in Tanzania. _International Journal of Infectious Diseases_. 2016. Vol. 46, núm. 8-10. [consulta: 23 de gener de 2026]. ISSN: 1201-9712. [Disponible a: https://hdl.handle.net/2445/98687]