Abstract
ObjectiveTo assess the prevalence of serological markers of HBV and endemic acute and chronic infections (HAV, HCV, CMV, HTLV-1/2 and syphilis) in HIV-infected children, adolescents and pregnant women in Sierra Leone. MethodWe conducted a cross-sectional study at the national children’s and women’s hospitals in Freetown. Logistic regression was used to assess predictors of HBsAg positivity. Results183 HIV-infected participants were enrolled, comprising children (n = 88), adolescents (n = 47) and pregnant women (n = 48). All participants (100%) were CMV IgG-positive, while 56.8%, 93.6% and 100% of children, adolescents and pregnant women, respectively, were HAV IgG-positive. The prevalence of HCV, HTLV-1/2 and syphilis were <4%. HBV markers were distributed as follows—children: HBsAg (2.3%), HBeAg (0%), anti-HBc (5.7%); adolescents: HBsAg (17.0%), HBeAg (6.4%), anti-HBc (27.7%); and pregnant women: HBsAg (18.8%), HBeAg (4.2%), anti-HBc (77.1%). Age >10 years, i.e., being born pre-2009 before implementation of routine hepatitis B immunization (aOR 5.05 [1.18−21.28]; p = 0.029) and CD4 count <350 cells/mm3 (aOR 3.97 [1.07−14.71]; p = 0.039) predicted HBsAg positivity. ConclusionA high burden of chronic HBV and other endemic infections was observed among HIV-infected patients born pre-2009 before implementation of routine HBV immunization in Sierra Leone, warranting targeted screening and immunization of this high-risk population.
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