Epidemiology of hiv1 infection among randomized representative central african populations

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Annales de l'Institut Pasteur Virology 138(4): 503-510


ISSN/ISBN: 0769-2617
DOI: 10.1016/s0769-2617(87)80039-4
Document Number: 366915
The OCEAC, an organization for control of widespread endemic disease in Central Africa, has carried out 14 epidemiological and serological sample surveys together with the Ministries of Health of the six member states of the Organization since January, 1985; 5,598 randomly selected persons living in six countries of Central Africa (Cameroon, Central African Republic, Chad, Congo, Equatorial Guinea and Gabon) were checked by these cluster sample surveys. Rural and urban areas were investigated in different climatic zones. Various age groups were studied. Blood samples were first screened by the ELISA test; then positive cases were confirmed by Western blotting. Circulation of HIV1 within some populations of Central Africa was confirmed, with prevalence rates from 0 to 4.6% using Western blotting. The heterosexual spread of HIV1 was confirmed as the major pathway of infection. No positive cases were found under the age of 15. Both sexes showed equal incidence. Urban areas were more affected than rural areas.

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