HIV-1 and HIV-2 Infection in Children in Abidjan, C??te d??lvoire

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Abstract
We conducted a study of 1,003 well and hospitalized children, birth to 5 years old, in Abidjan, Cöte d'Ivoire, to determine the prevalence of HIV-1 and HIV-2 infection, evaluate risk factors for infection, and describe associated clinical characteristics. The overall seroprevalence was significantly higher for children in the hospital (10.8%) than for those attending the clinic (3.6%). HIV-1 was the predominant virus in both populations, comprising 87% (hospital) and 77% (clinic) of the seroreactive blood specimens. Ninety-two percent of seroreactive children of all ages had a mother who was HIV positive; 77% of seroreactive children >15 months old had an HIV-infected mother. The remaining seropositive children had a history of receiving blood transfusions. Hospitalized children who were HIV-1 positive or dually seroreactive were more likely to have HIV-related clinical signs and symptoms than HIV-negative children. These findings suggest that HIV infection is an important cause of morbidity for children in Abidjan and and maternal infection is the primary risk factor for both HIV-1 and HIV-2 infection in children. Further evaluation and attention should be given to transmission, clinical characteristics, and the impact of HIV infection in children in West Africa, where both HIV-1 and HIV-2 are present.

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