1982
DOI: 10.1590/s0074-02761982000200003
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Histopatologia da infecção por Yersinia pestis em roedores de focos de peste do Nordeste brasileiro

Abstract: O presente trabalho mostra a histopatologia da infecção pela Yersinia pestis, entre as diferentes espécies de roedores silvestres e comensais (cricetídeos, equimídeos, murídeos e cavídeos) que ocorrem na zona endêmica de peste do Nordeste do Brasil. Estes roedores foram encontrados naturalmente infectados nos campos ou inoculados experimentalmente no laboratório (vias percutânea, subcutânea ou picada de pulgas) com cepas locais e/ou estrangeiras de Yersiniapestis. Quase todos os animais, exceto alguns dos caví… Show more

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Cited by 4 publications
(8 citation statements)
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“…1982; Coutinho et al . 1982). Regarding the wild‐sylvatic species, some were regularly caught in all the inventories while others were found fortuitously through an eventual sampling in specific biotopes directed to that species (Fig.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…1982; Coutinho et al . 1982). Regarding the wild‐sylvatic species, some were regularly caught in all the inventories while others were found fortuitously through an eventual sampling in specific biotopes directed to that species (Fig.…”
Section: Resultsmentioning
confidence: 99%
“…1982; Coutinho et al . 1982), allowing periodic flea re‐infection and consequently, reactivation of the epizootic cycle. In spite of the studies the enzootic (maintenance) plague hosts in the Brazilian plague foci is not yet defined nor the maintenance mechanism.…”
Section: Resultsmentioning
confidence: 99%
“…Rats are relatively resistant to fatal plague infection and do not suffer from major death rates that could lead to epizootization in the absence of susceptible species [ 10 , 15 , 38 , 39 ]. On the other hand, the R. rattus might act as a preserver host by keeping plague dormant until eventual flea re-infection reactivates the epizootic cycle after the restoration of susceptible wild hosts populations [ 3 , 32 , 40 ].…”
Section: Discussionmentioning
confidence: 99%
“…In spite of the increasing in the R. rattus population, plague activity was no longer detected in rodents or humans [17]. The rats are relatively resistant to fatal plague infection and do not suffer from important die-offs that could lead to epizootization in the absence of susceptible species [10,15,[30][31]. On the other hand, the R. rattus might be a preserver host by maintaining the plague dormant until eventual flea re-infection might reactivate the epizootic cycle after restoration of the susceptible wild hosts populations [3,32].…”
Section: Discussionmentioning
confidence: 99%