... the statistical analyses.BH carried out the data management and data analysesand wrote the first draft. All authors contributed withinterpretation of the data and to the final version of the paper.AcknowledgementsThis ... da Silva Z, Hedegaard K, Sandstrom A, Nau-cler A, Dias F, Melbye M, Aaby P: Prevalences of HTLV-1 infec-tion and associated risk determinants in an urban population in Guinea-Bissau, West Africa. ... single and dual infections within the same population in a com-munity setting in Africa. The population was antiretroviraltreatment naïve at the time of the study; thus these datareflect the...