Rickettsia in synanthropic and domestic animals and their hosts from two areas of low endemicity for Brazilian spotted fever in the Eastern Region of Minas Gerais, Brazil

Bruno S. Milagres, Amanda F. Padilha, Rafael M. Barcelos, Gabriel G. Gomes, Carlos E. Montandon, Dárlen C.H. Pena, Fernanda A. Nieri Bastos, Iara Silveira, Richard Pacheco, Marcelo B. Labruna, Donald H. Bouyer, Renata N. Freitas, David H. Walker, Cláudio L. Mafra, Márcio A.M. Galvao

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

The aim of this study was to understand the current epidemiology of rickettsial diseases in two rickettsial-endemic regions in Brazil. In the municipalities of Pingo D'Agua and Santa Cruz do Escalvado, among serum samples obtained from horses and dogs, reactivity by immunofluorescent assay against spotted fever group rickettsiae was verified. In some serum samples from opossums (Didelphis aurita) captured in Santa Cruz do Escalvado, serologic response against rickettsiae was also verified. Polymerase chain reaction identified rickettsiae only in ticks and fleas obtained in Santa Cruz do Escalvado. Rickettsiae in samples had 100% sequence homology with Rickettsia felis. These results high-light the importance of marsupials in maintenance of the sylvatic cycle of rickettsial disease and potential integration with the domestic cycle. Our data also support the importance of horses and dogs as sentinels in monitoring circulation of rickettsiae in an urban area.

Original languageEnglish (US)
Pages (from-to)1305-1307
Number of pages3
JournalAmerican Journal of Tropical Medicine and Hygiene
Volume83
Issue number6
DOIs
StatePublished - Dec 1 2010

ASJC Scopus subject areas

  • Parasitology
  • Virology
  • Infectious Diseases

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    Milagres, B. S., Padilha, A. F., Barcelos, R. M., Gomes, G. G., Montandon, C. E., Pena, D. C. H., Nieri Bastos, F. A., Silveira, I., Pacheco, R., Labruna, M. B., Bouyer, D. H., Freitas, R. N., Walker, D. H., Mafra, C. L., & Galvao, M. A. M. (2010). Rickettsia in synanthropic and domestic animals and their hosts from two areas of low endemicity for Brazilian spotted fever in the Eastern Region of Minas Gerais, Brazil. American Journal of Tropical Medicine and Hygiene, 83(6), 1305-1307. https://doi.org/10.4269/ajtmh.2010.10-0239