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Considerações sobre um surto de Poliomielite observado em 1955, em Lourenço Marques
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Orientador(es)
Resumo(s)
RESUMO
a) Em 1955 surgiu em Lourenço Marques um surto epidémico de poliomielite, com um total de 72 casos paralíticos.
b) Incidiu predominantemente em crianças até 4 anos, atingindo a percentagem de 95,83 por cento e tendo o grupo de 0 a 2 anos abrangido 77,77 por cento dos casos.
c) Começou insidiosamente na época quente, para se desenvolver apreciavelmente e atingir o máximo nos meses frios do ano.
d) Atingiu principalmente crianças indígenas — 76,39 por cento dos casos.
e) Foi benigna, pois não ocorreu nenhum óbito.
f) Calculamos que o número de infecções tenha atingido cerca de 15000 casos, o que corresponde à maior parte da população infanto-juvenil de Lourenço Marques.
g) Deve por isso, e porque parece ter-se tratado de infecção pelo vírus Tipo I (Brunhilde) encontrado nalguns casos em que se procedeu ao isolamento e classificação do agente etiológico, ter conferido uma imunidade de cerca de três a quatro anos, tempo suficiente para se formar um núcleo apreciável de receptivos.
SUMMARY The authors present their observations on an epidemic outbreak of poliomyelitis in Lourenço Marques in 1955 with the following conclusions: a) In 1955 there was an epidemic outbreak of poliomyelitis in Lourenço Marques with a total of 72 paralitic cases. b) The incidence was mainly in infants up to 4 years, with a percentage of 95.83. The percentage was 77.77 in the group 0-2 years. c) The outbreak started insidiously in the warmer months but most of the cases occurred during the cooler months of the year (May-June-July). d) The main victims were native children (76.39 percent of the cases). e) It was benign, no deaths being reported. e) The authors estimate that at least 15 000 cases of poliovirosis occurred, which indicates that most of the infant-juvenile population of Lourenço Marques was infected. f) Therefore, and because it seems that the outbreak was due to the Type I virus (Brunhilde) found in several cases in which it was possible to isolate and classify the g) aetioloyical agent, that it might have created an immunity of about 3-4 years, time which is estimated as sufficient to form a significant group of receptives.
SUMMARY The authors present their observations on an epidemic outbreak of poliomyelitis in Lourenço Marques in 1955 with the following conclusions: a) In 1955 there was an epidemic outbreak of poliomyelitis in Lourenço Marques with a total of 72 paralitic cases. b) The incidence was mainly in infants up to 4 years, with a percentage of 95.83. The percentage was 77.77 in the group 0-2 years. c) The outbreak started insidiously in the warmer months but most of the cases occurred during the cooler months of the year (May-June-July). d) The main victims were native children (76.39 percent of the cases). e) It was benign, no deaths being reported. e) The authors estimate that at least 15 000 cases of poliovirosis occurred, which indicates that most of the infant-juvenile population of Lourenço Marques was infected. f) Therefore, and because it seems that the outbreak was due to the Type I virus (Brunhilde) found in several cases in which it was possible to isolate and classify the g) aetioloyical agent, that it might have created an immunity of about 3-4 years, time which is estimated as sufficient to form a significant group of receptives.
Descrição
Palavras-chave
Poliomielite Poliovirose Epidemia Lourenço Marques Paralisia infantil Moçambique
Contexto Educativo
Citação
Sousa J; Rocha JFC (1959).Considerações sobre um surto de Poliomielite observado em 1955, em Lourenço Marques . Proceedings of the Sixth International Congresses on Tropical Medicine and Malaria (5-13 1958, v.5). Anais Inst. Med. Trop. Vol. 16, (supl.9, setembro). Lisboa : p. 422-431
Editora
Instituto de Medicina Tropical