2004
DOI: 10.1590/s0074-02762004000400005
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Abstract: It is well established that immunity to malaria is short-lived and is maintained by

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Cited by 32 publications
(30 citation statements)
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“…Due to the low endemicity of the organism in this region, the population is constituted mainly of nonimmune individuals, and complications are expected to occur in all individuals, regardless of age. Premunition is, however, a recently observed phenomenon, and the prevalence of asymptomatic infection has been recorded with increasing frequency in several Amazonian localities (2,43,65). Nevertheless, the incidence of complications and mortality due to malaria infection is very low in Brazil and Latin America in general, and this is mainly a result of effective malaria control programs, which provide rapid microscopic diagnosis and prompt treatment (36,39,63) free of charge in countries like Brazil (18).…”
mentioning
confidence: 99%
“…Due to the low endemicity of the organism in this region, the population is constituted mainly of nonimmune individuals, and complications are expected to occur in all individuals, regardless of age. Premunition is, however, a recently observed phenomenon, and the prevalence of asymptomatic infection has been recorded with increasing frequency in several Amazonian localities (2,43,65). Nevertheless, the incidence of complications and mortality due to malaria infection is very low in Brazil and Latin America in general, and this is mainly a result of effective malaria control programs, which provide rapid microscopic diagnosis and prompt treatment (36,39,63) free of charge in countries like Brazil (18).…”
mentioning
confidence: 99%
“…Naquela área a IPA era de 292/1.000 habitantes, sendo uma área de elevado risco de transmissão como no Rio Padauiri. Resultados similares foram encontrados por Marcano et al 14 No nosso estudo, pode-se observar uma mudança no padrão epidemiológico da malária que atingia inicialmente mais os homens adultos e agora afeta em maior proporção as crianças, com um expressivo aumento de casos entre as mulheres. Deve ser reconsiderada a classificação do tipo de malária no Rio Padauiri.…”
Section: Discussionunclassified
“…pela PCR é seis a sete vezes mais eficiente e sensível que o microscópico, e o número de infecções assintomáticas detectadas é de duas a cinco vezes maior. 15,[18][19][20] Além disso, sugere-se que a predominância de infecções pelo P. vivax seja reflexo da dificuldade de tratamento precoce. No caso de P. vivax, a produção de gametócitos, forma infectante para os anofelinos, é muito precoce, a partir de 24 horas do início dos sintomas, enquanto que na infecção pelo P. falciparum a produção de gametócitos ocorre a partir do 7° dia do início dos sintomas.…”
Section: Considerações éTicasunclassified