Results 1 to 10 of about 446 (138)

Fatal Spotted Fever Rickettsiosis, Minas Gerais, Brazil [PDF]

Emerging Infectious Diseases, 2003
The emergence and reemergence of a serious infectious disease are often associated with a high case-fatality rate because of misdiagnosis and inappropriate or delayed treatment.
Márcio Antonio Moreira Galvão, J. Stephen Dumler, Cláudio Lísias Mafra, Simone Berger Calic, Chequer Buffe Chamone, Gracco Cesarino Filho, Juan Pablo Olano, David H. Walker   +7 more
doaj   +2 more sources

Spotted fever group Rickettsia infecting ticks (Acari: Ixodidae) in the state of Santa Catarina, Brazil [PDF]

Memorias do Instituto Oswaldo Cruz, 2011
During 2006-2008, a total of 260 adult ticks were collected from domestic and wild animals in different regions of the state of Santa Catarina (SC), Brazil, including areas where human cases of Brazilian spotted fever have been reported.
Alessandra Pereira Medeiros, Antonio Pereira de Souza, Anderson Barbosa de Moura, Marcia Sangaletti Lavina, Valdomiro Bellato, Amélia Aparecida Sartor, Fernanda Aparecida Nieri-Bastos, Leonardo José Richtzenhain, Marcelo Bahia Labruna   +8 more
doaj   +2 more sources

Tick-borne spotted fever in the northeast of Brazil: the series of cases a new endemic area
doi: 10.20513/2447-6595.2016v56n2p8-9

Revista de Medicina da UFC, 2016
The Brazilian states of the northeastern region are considered silent areas for the occurrence of cases of spotted fever (SF), either by the low frequency of suspicion or the confirmation on cases of the disease.
Stefan Vilges de Oliveira
doaj   +3 more sources

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 [PDF]

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   +2 more sources

Eschar-associated Spotted Fever Rickettsiosis, Bahia, Brazil [PDF]

Emerging Infectious Diseases, 2011
In Brazil, Brazilian spotted fever was once considered the only tick-borne rickettsial disease. We report eschar-associated rickettsial disease that occurred after a tick bite. The etiologic agent is most related to Rickettsia parkeri, R. africae, and R.
Nanci Silva, Marina E. Eremeeva, Tatiana Rozental, Guilherme S. Ribeiro, Christopher D. Paddock, Eduardo Antonio G. Ramos, Alexsandra R.M. Favacho, Mitermayer G. Reis, Gregory A. Dasch, Elba R.S. de Lemos, Albert I. Ko   +10 more
doaj   +2 more sources

Atypical fulminant Rickettsia rickettsii infection (Brazilian spotted fever) presenting as septic shock and Adult Respiratory Distress Syndrome

Brazilian Journal of Infectious Diseases, 2002
Brazilian spotted fever, caused by Rickettsia rickettsii, has been increasingly reported in Brazil especially in the southeastern states. The severe and fulminant forms of the disease are not unusual but most of the reported fatal cases have shown some ...
Costa Paulo Sérgio Gonçalves da, Brigatte Marcos Emilio, Almeida Edmilton Pereira de, Valle Lena Márcia de Carvalho   +3 more
doaj   +2 more sources

Factors associated with the confirmation and death for Brazilian spotted fever in an important endemic area of the State of São Paulo, 2007-2021 [PDF]

Revista da Sociedade Brasileira de Medicina Tropical
Background: We evaluated the predictive factors for case confirmation and death from Brazilian spotted fever in an endemic area of Southeastern Brazil. Methods: A cross-sectional study was conducted.
Jardel Brasil, Rodrigo Nogueira Angerami, Maria Rita Donalisio   +2 more
doaj   +2 more sources

Antibodies against rickettsiae from spotted fever groups in horses from two mesoregions in the state of Santa Catarina, Brazil [PDF]

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2013
Bacteria of the Rickettsia genus are agents of Brazilian Spotted Fever (BSF), a zoonotic disease which is difficult to diagnose, evolves quickly and can result in death. Antibodies against Rickettsia spp.
A.P. Medeiros, A.B. Moura, A.P. Souza, V. Bellato, A.A. Sartor, A. Vieira-Neto, J. Moraes-Filho, M.B. Labruna   +7 more
doaj   +2 more sources

Seroprevalence of Rickettsia rickettsii and Rickettsia parkeri in dogs during a Brazilian Spotted Fever outbreak in the State of Rio de Janeiro [PDF]

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2018
The present paper is the first to perform this evaluation in dogs from the cities of Natividade, Porciuncula and Varre-Sai. The aim of this study is to search for Spotted Fever Group Rickettsia in canine sera using indirect immunofluorescence assay and ...
I.T. Poubel, N.C. Cunha, A.B.M. Fonseca, A. Pinter, A.H. Fonseca, M.D. Cordeiro, N.R.P. Almosny   +6 more
doaj   +2 more sources

Risk factors associated with ticks and Rickettsia spp. exposure in wild boars (Sus scrofa), hunting dogs, and hunters of Brazil [PDF]

Veterinary World, 2021
Background and Aim: Wild boars have recently been implicated as the maintainers and carriers of Amblyomma spp. ticks, which are essential for Rickettsia spp. transmission.
Louise Bach Kmetiuk, Thiago Fernandes Martins, Renato van Wilpe Bach, Camila Marinelli Martins, Ivan Roque de Barros-Filho, Leandro Cavalcante Lipinski, Giovani Marino Fávero, Andrea Pires dos Santos, Alexander Welker Biondo   +8 more
doaj   +1 more source