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Study of infection by Rickettsiae of the spotted fever group in humans and ticks in an urban park located in the City of Londrina, State of Paraná, Brazil
(Sociedade Brasileira de Medicina Tropical - SBMT, 2011)
INTRODUCTION: Spotted fevers are emerging zoonoses caused by Rickettsia species in the spotted fever group (SFG). Rickettsia rickettsii is the main etiologic agent of Brazilian spotted fever (BSF) and it is transmitted by ...
Anti-Rickettsia rickettsii antibodies in capybaras (Hydrochoerus hydrochaeris Linnaeus, 1766) from an agricultural landscape in Araras, São Paulo, Brazil
(2017-01-01)
Spotted fever is a typically endemic infectious disease caused by rickettsiae from the spotted fever group, of which Rickettsia rickettsii is the main etiologic agent. It presents high mortality rates in Brazil, with ...
Tick-borne Rickettsioses in America: unanswered questions and emerging diseases
(Philadelphia, 2009)
During most of the 20th century, Rickettsia rickettsii, the agent of Rocky Mountain spotted fever, was considered the only tick-borne rickettsia associated with human diseases in the Americas. This dogma suggested that the ...
Development of resistance to nymphs of Amblyomma cajennense ticks (Acari : Ixodidae) in dogs
(New York Acad Sciences, 2002-11-21)
Ticks have long been regarded as constraints to humans and domestic animals, but hosts often develop resistance to ticks after repeated infestations. The purpose of this investigation was to study the possible acquisition ...
Epidemiology of Brazilian spotted fever in the Atlantic Forest, state of Sao Paulo, Brazil
(CAMBRIDGE UNIV PRESSNEW YORK, 2012)
The tick-borne bacterium Rickettsia rickettsii is the aetiological agent of Brazilian spotted fever (BSF). The present study evaluated tick infestations on wild and domestic animals, and the rickettsial infection in these ...
Comparação do teste de Weil Felix com as provas de reação de imunofluorescência indireta e ensaio imunoenzimático como método de triagem para febre maculosa
(Universidade Federal de Minas GeraisUFMG, 1996-03-27)
671 samples of human serum were received by Fundação Ezequiel Dias (FUNED) from August 1993 to October 1995 provided from cities of Minas Gerais State, Brazil, with clinical suspected of Rocky Mountain Spotted Fever (FM) ...