Document 0379 DOCN M9440379 TI Prevalence and transmission of HTLV-I infection in Natal/KwaZulu. DT 9404 AU Bhigjee AI; Vinsen C; Windsor IM; Gouws E; Bill PL; Tait D; Department of Neurology, University of Natal, Durban. SO S Afr Med J. 1993 Sep;83(9):665-7. Unique Identifier : AIDSLINE MED/94143811 AB A community-based seroprevalence survey for human T-cell lymphotropic virus type I (HTLV-I) was undertaken in the Ngwelezane district of Natal/KwaZulu. A total of 1,018 individuals was interviewed for risk factors and had blood drawn for serological examination. To exclude antibody cross-reactivity between anti-HTLV-I and anti-HTLV-II all Western blot HTLV-I-positive samples were further subjected to a Select HTLV test. For comparison, anonymous HIV testing was done. The areas of residence of patients with myelopathy associated with HTLV-I were also ascertained. The seroprevalence of HTLV-I was 2.6% (95% confidence interval (CI) 1.62-3.58). An age-related rise in HTLV-I seropositivity from 1.3% in the 15-24-year age group to 6.1% in the over 55-year-old group was noted. There was no significant association between HTLV-I antibody positivity and marital status, occupation, history of blood transfusion, scarification, age at first sexual experience and number of sexual partners. Anti-HIV-1 antibody testing revealed a positivity of 3.5% (95% CI 2.4-4.68) and the relative risk for co-infection with both HTLV-I and HIV-1 in the 15-24-year group was 1.16 (95% CI 1.08-1.24). The study also identified the first HTLV-II-seropositive case in the Natal/KwaZulu region. Up to December 1991, 90 cases of HTLV-I-associated myelopathy/tropical spastic paraparesis were seen at the Neurology Unit, Wentworth Hospital. The patients came from all parts of Natal, from Pongola in the north to Transkei in the south. The Natal/KwaZulu region is, therefore, an endemic HTLV-I area. DE Adolescence Adult Age Distribution Aged Aged, 80 and over Female Human HIV Seroprevalence HTLV-I Infections/*EPIDEMIOLOGY/TRANSMISSION Male Middle Age Seroepidemiologic Methods South Africa/EPIDEMIOLOGY Support, Non-U.S. Gov't JOURNAL ARTICLE SOURCE: National Library of Medicine. NOTICE: This material may be protected by Copyright Law (Title 17, U.S.Code).