alexa The Dynamics of the AIDS Epidemic in Brazil: A Space-Time Analysis in the Period 1987-1995.
Infectious Diseases

Infectious Diseases

Journal of AIDS & Clinical Research

Author(s): Landmann Szwarcwald C, Bastos FI, de Castilho EA, Landmann Szwarcwald C, Bastos FI, de Castilho EA

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Abstract The dynamics of the spread of the AIDS epidemic in Brazil have been studied by an analysis of cases reported between 1987 and 1995. The analysis evaluates characteristics of the epidemic as it changed over time, geographic region and special sub-populations affected. Data collected by the National Coordination of sexually transmitted diseases (STD's) and AIDS of the Health Ministry were reviewed and incidence rates calculated. Three periods of time were identified (1987-89, 1990-92, and 1993-95) and the distribution of cases by age group, sex, risk factor sub-population, and major geographic region recorded. Several observations can be made from this information: 1)The disease began among homosexual / bisexual males in large metropolitan areas of the southeast of Brazil. 2) It spread to other risk groups such as intravenous drug users (IDU) and recipients of blood products. 3) The diseases increased rapidly between 1987-89 and 1990-92, but then showed a plateau, particularly in the homosexual / bisexual group. 4) Increase in cases persisted in the IDU group. 5) The incidence among heterosexuals and in smaller municipalities has continued to increase indicative of a shift in the dynamics of the epidemic. The shift in the characteristics of the epidemic away from special groups and towards the socially vulnerable, poorly educated, heterosexual, smaller municipalities require new preventive strategies adaptable to regional patterns of each social structure, economy and culture.
This article was published in Braz J Infect Dis and referenced in Journal of AIDS & Clinical Research

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