Results 71 to 80 of about 2,749 (144)

Rickettsia felis in Ctenocephalides spp. Fleas, Brazil

Emerging Infectious Diseases, 2002
In June 2000, suspected cases of Brazilian spotted fever (BSF) occurred in Coronel Fabriciano Municipality, Minas Gerais State, Brazil. Pooled fleas collected near two fatal cases contained rickettsial DNA. The nucleotide sequence alignment of the 391-bp
Riva P. Oliveira, Márcio A.M. Galvão, Claudio L. Mafra, Chequer B. Chamone, Simone B. Calic, Sergio U. Silva, David H. Walker   +6 more
doaj   +1 more source

Experimental infection of dogs with a Brazilian strain of Rickettsia rickettsii: clinical and laboratory findings

Memorias do Instituto Oswaldo Cruz, 2008
The bacterium Rickettsia rickettsii is the etiological agent of an acute, severe disease called Rocky Mountain spotted fever in the United States or Brazilian spotted fever (BSF) in Brazil.
Eliane M Piranda, João Luis H Faccini, Adriano Pinter, Tais B Saito, Richard C Pacheco, Mitika K Hagiwara, Marcelo B Labruna   +6 more
doaj   +1 more source

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

Revista da Sociedade Brasileira de Medicina Tropical, 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 Amblyomma spp. ticks.
Roberta Santos Toledo, Katia Tamekuni, Mauro de Freitas Silva Filho, Valeska Bender Haydu, Richard Campos Pacheco, Marcelo Bahia Labruna, John Stephen Dumler, Odilon Vidotto   +7 more
doaj   +1 more source

Epidemiological characteristics of Brazilian spotted fever in Minas Gerais State, Brazil, 2000-2008

Cadernos de Saúde Pública
Brazilian spotted fever is the most common rickettsiosis in Brazil, most prevalent in the States of São Paulo and Minas Gerais. The aim of this study was to describe the epidemiological characteristics of Brazilian spotted fever in Minas Gerais from 2000
Frederico Figueiredo Amâncio, Vânia Dutra Amorim, Talita Leal Chamone, Mariana Gontijo de Brito, Simone Berger Calic, Anamaria Cordeiro Leite, Gabriela Lobato Fraga, Marcela Lencine Ferraz   +7 more
doaj  

Detection of Rickettsia rickettsii in the tick Amblyomma cajennense in a new Brazilian spotted fever-endemic area in the state of Minas Gerais

Memorias do Instituto Oswaldo Cruz, 2005
The present study evaluated rickettsial infection in Amblyomma spp. ticks collected in a farm in Coronel Pacheco, a Brazilian spotted fever (BSF) endemic area. A total of 78 A. cajennense and 78 A.
Elizângela Guedes, Romário C Leite, Márcia CA Prata, Richard C Pacheco, David H Walker, Marcelo B Labruna   +5 more
doaj   +1 more source

Efficacy of sarolaner (Simparic™) against induced infestations of Amblyomma cajennense on dogs

Parasites & Vectors, 2017
Background Amblyomma cajennense is the main vector of Rickettsia rickettsii which causes Brazilian spotted fever. This adult tick preferably infests horses and capybaras, but has low host specificity during its immature stages, thus posing a threat to ...
Fabio Scott, Lilian Franz, Diefrey Ribeiro Campos, Thaís Ribeiro Correia Azevedo, Daise Cunha, Robert H. Six, Steven Maeder, Travis Cree   +7 more
doaj   +1 more source

Fatal Brazilian spotted fever in a healthy military man during field training in Rio de Janeiro city, southeastern Brazil. [PDF]

Rev Inst Med Trop Sao Paulo, 2022
Pacheco-Silva AB, Martins EB, López AJR, Detepo PJT, Mamani RF, Japiassú AM, Lupi O, Mendes TV, Pina-Costa A, Calvet GA, Bressan CDS, Silva MFBD, Ogino LL, Assis MRDS, Marques AM, Dias CMG, Borchert JM, Lemos ERS, Brasil P.   +18 more
europepmc   +1 more source

Correction: An impedimetric immunosensor for diagnosis of Brazilian spotted fever in blood plasma

Analytical Methods
Correction for ‘An impedimetric immunosensor for diagnosis of Brazilian spotted fever in blood plasma’ by Marx Osório Araújo Pereira et al. , Anal. Methods , 2024, https://doi.org/10.1039/d3ay01308a.
Marx Osório Araújo Pereira, Álvaro Ferreira Júnior, Edson Silvio Batista Rodrigues, Helena Mulser, Giovanna Nascimento de Mello e Silva, Wallans Torres Pio dos Santos, Eric de Souza Gil   +6 more
openaire   +1 more source

A fatal case of Brazilian spotted fever in a non-endemic area in Brazil: the importance of having health professionals who understand the disease and its areas of transmission

Revista da Sociedade Brasileira de Medicina Tropical
Brazilian spotted fever (BSF) is caused by the bacterium Rickettsia rickettsii. Because of its high case-fatality rate and apparent increase in areas of transmission, it is considered to be the rickettsial illness of primary public health interest. Cases
Stefan Vilges de Oliveira, Eduardo Pacheco de Caldas, Silvia Colombo, Gilberto Salles Gazeta, Marcelo Bahia Labruna, Fabiana Cristina Pereira dos Santos, Rodrigo Nogueira Angerami   +6 more
doaj   +1 more source

Rickettsia amblyommii infecting Amblyomma sculptum in endemic spotted fever area from southeastern Brazil

Memorias do Instituto Oswaldo Cruz, 2015
The Rickettsia bacteria include the aetiological agents for the human spotted fever (SF) disease. In the present study, a SF groupRickettsia amblyommii related bacterium was detected in a field collected Amblyomma sculptum (Amblyomma cajennense species ...
Emília de Carvalho Nunes, Vinicius Figueiredo Vizzoni, Daniel Leal Navarro, Felipe Campos de Melo Iani, Liliane Silva Durães, Erik Daemon, Carlos Augusto Gomes Soares, Gilberto Salles Gazeta   +7 more
doaj   +1 more source