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      Uma aplicação de indicadores corrigidos no estudo do sarampo no município do Rio de Janeiro, Brasil

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          Abstract

          Neste trabalho, procura-se estimar a incidência, a mortalidade e a letalidade reais do sarampo no município do Rio de Janeiro, Brasil, nos períodos 1969-1972, anterior ao inicio da vacinação, e 1979-1982, posterior ao inicio da vacinação. As estimativas são obtidas por meio de correções aplicadas ao número notificado de casos e de óbitos, em cada um dos dois períodos. O número real de casos é estimado através de considerações quanto à dinâmica populacional e à dinâmica da transmissão do sarampo na população. O número real de óbitos é estimado levando-se em conta a subnotificação dos óbitos, a partir de dados obtidos pela Investigação Interamericana de Mortalidade na Infância. Procura-se apresentar com detalhe a metodologia empregada, que poderá ser de utilidade para os serviços de saúde na avaliação de medidas de intervenção. Discute-se, por fim, com base nos indicadores corrigidos obtidos, a situação epidemiológica do sarampo no município do Rio de Janeiro.

          Translated abstract

          In this study estimates are made of the true incidence, mortality and case-fatality ratio of measles in the Municipio do Rio de Janeiro, Brazil, for the prevaccination period 1969-1972 and the post vaccination period 1979-1982. The estimates are obtained by applying some correction factors to the reported number of cases and deaths in each of the two periods. The number of cases is estimated by considering the population dynamics and the dynamics of measles transmission in the population. The number of deaths is estimated by taking into account the underreporting of deaths, from information obtained by the Inter-American Investigation of Infant Mortality. A detailed presentation and discussion is made of the methodology used throughout, which will possibly be of interest to the health services in the assessment of intervention measures. Finally, on the basis of the corrected indicators obtained, the epidemiological situation of measles in Rio de Janeiro is discussed.

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          Most cited references15

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          Características de la mortalidad en la niñez

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            A nationwide serum survey of Brazilian military recruits, 1964. II. Antibody patterns with arboviruses, polioviruses, measles and mumps.

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              The role of herd immunity in control of measles.

              F Black (1982)
              Measles vaccine cannot give high sero-conversion rates in developing countries. The high birth rates characteristic of these countries lead to infection at a very early age, thus making it difficult to vaccinate before exposure to the disease. Nevertheless, if given early in life, the vaccine can reduce the rate of virus circulation and thus raise the age at which children are infected. Once that is done, higher sero-conversion rates can be obtained by raising the age at vaccination. During the period when vaccine is given at an early age, the titers in responding children will be low, and this will leave children of the next generation with little protection. It is important, therefore, that if vaccine is used early the program be intensively and consistently applied to control virus circulation before the next generation is born.
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                Author and article information

                Journal
                csp
                Cadernos de Saúde Pública
                Cad. Saúde Pública
                Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz (Rio de Janeiro, RJ, Brazil )
                0102-311X
                1678-4464
                June 1985
                : 1
                : 2
                : 192-206
                Affiliations
                [01] Rio de Janeiro orgnameFIOCRUZ orgdiv1Escola Nacional de Saúde Pública
                Article
                S0102-311X1985000200006 S0102-311X(85)00100206
                10.1590/S0102-311X1985000200006
                c6744be2-3aec-48f2-a748-425e9f33630f

                This work is licensed under a Creative Commons Attribution 4.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 13, Pages: 15
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