Epidemia de encefalite por arbovírus na região sul do Estado de São Paulo, Brasil, em 1975 e 1976: aspectos da distribuição cronológica e geográfica dos casos
“…After 1975, however, Instituto Adolpho Lutz commissioned the collection of mammals and birds in the eastern and southeastern regions of the state due to an arbovirosis epidemic (Lopes, O.S. et al, 1978;Iversson, 1977Iversson, , 1980. At approximately the same time, the karstic area of southeastern São Paulo was sampled by Eleonora .…”
“…After 1975, however, Instituto Adolpho Lutz commissioned the collection of mammals and birds in the eastern and southeastern regions of the state due to an arbovirosis epidemic (Lopes, O.S. et al, 1978;Iversson, 1977Iversson, , 1980. At approximately the same time, the karstic area of southeastern São Paulo was sampled by Eleonora .…”
“…This event was described in RSP by Iversson
91
,
92
. Other outbreaks of this arbovirus are unknown; however, the presence of Rocio virus has been reported in rural areas of the Country
62
, suggesting the risk of its reemergence.…”
Section: Emerging and Reemerging Diseasesmentioning
confidence: 89%
“…Brazil was also heavily affected by the emergence of HIV
23
,
130
. In addition, we have seen the emergence of three arboviruses: Rocio virus encephalitis causes a serious epidemic in the region of Vale do Rio Ribeira, SP, in the 1970s
91
,
163
and, more recently, the emergence of Chikungunya
13
,
55
and Zika
36
,
89
,
104
viruses.…”
In this article, we comment on the main features of infectious diseases in Brazil in the last 50 years, highlighting how much of this path Revista de Saúde Pública could portray. From 1967 to 2016, 1,335 articles focusing on infectious diseases were published in Revista de Saúde Pública. Although the proportion of articles on the topic have decreased from about 50.0% to 15.0%, its notability remained and reflected the growing complexity of the research required for its control. It is noteworthy that studies design and analysis strategies progressively became more sophisticated, following the great development of epidemiology in Brazil in the recent decades. Thus, the journal has followed the success of public health interventions that permitted to control or eliminate numerous infectious diseases – which were responsible, in the past, for high rates of morbidity and mortality –, and also followed the reemergence of diseases already controlled and the emergence of until then unknown diseases, with a strong impact on the Brazilian population, establishing a little predictable and very challenging path.
“…À semelhança da epidemia brasileira por Ilheus virus (ILHV) e Rocio virus (ROCV) ocorrida no sul do estado de São Paulo durante a década de 70 38 , um maior número de casos de infecção humana sintomática por WNV é registrado do início da primavera até outono, período considerado de maior emergência de culicídeos adultos 39 . Sugere-se que a re-emergência sazonal do vírus no ciclo enzoótico de transmissão na primavera em clima temperado, esteja envolvida com o "overwintering", que consiste na permanência de partículas virais infectantes nos mosquitos vetores, como o Culex pipiens Linnaeus, 1758, durante todo o inverno 40 .…”
Section: Epidemiologia Da Infecção Pelo Wnvunclassified
Desde sua introdução na América do Norte em 1999, mais de 27.500 casos humanos da infecção por West Nile virus (WNV) foram reportados nos Estados Unidos da América (EUA), resultando em mais de 1000 casos fatais. Recentemente, a disseminação do vírus para o hemisfério sul foi confirmada com a detecção de animais infectados pelo WNV em território sul-americano. A soropositividade para WNV em eqüídeos na Colômbia e Venezuela e o isolamento do vírus nestes animais na Argentina, reiteram a necessidade da manutenção do sistema de vigilância enzoótica para WNV em território brasileiro. Aspectos pertinentes à infecção, patogenia e epidemiologia do WNV são discutidos neste artigo.
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