Programa multidisciplinario de vigil?ncia de las enfermedades infecciosas en zonas colindantes con la Carretera Transamazonica en Brasil. II. Epidemiologiade las infecciones por arbovirus

• Autor(a) principal: Dixon, K. E
• Data de Publicação: 1981
• Outros Autores: Llewellyn, C. H, Rosa, Am?lia Paes de Andrade Travassos da, Rosa, Jorge Fernando Soares Travassos da
• Tipo de documento: Artigo
• Idioma: esp
• Título da fonte: Repositório Digital do Instituto Evandro Chagas (Patuá)
• Texto Completo: http://patua.iec.gov.br/handle/iec/361
• topic: Infec??es por Arbovirus; Vigil?ncia Epidemiol?gica; Testes Sorol?gicos; Planos e Programas de Sa?de; Brasil (BR)

A program of epidemiological surveillance This report presents serologic data that was was conducted for two years (1974-1976) along obtainedonflaviviruses, alphaviruses, andother the Transamazon Highway in Brazil's Par? viroses such as Guaroa and Oropouche. It algo State. Approximately 300 randomly selected assesses the relationship of antibody prevalences families (including about 1,600 persons) were to several environmental variables. incorporated into the study population. Visits to Amongother results, a clearcut and consistent the study populations were conducted at six- relationship was documented between age and month and two-week intervals. Blood and serum sex on the one hand and acquisition of arbovirus samples were collected and individual interviews antibodies on the other. Most arbovirus attack were conducted during the six-monthly visits. rates were higher for adult males than for other The biweeklyvisits were performed to detect and segments of the study population, and men who documentepisodesofillness. The bloodsamples slept as well as worked in the forest were were processed for virus isolation attempts, and especially likely to be attacked. the gera were tested for antibodies to arboviruses.