Results 81 to 90 of about 446 (138)

Rickettsial infection in Amblyomma cajennense ticks and capybaras (Hydrochoerus hydrochaeris) in a Brazilian spotted fever-endemic area

Parasites & Vectors, 2014
Background Brazilian spotted fever (BSF), caused by the bacterium Rickettsia rickettsii, is the deadliest spotted fever of the world. In most of the BSF-endemic areas, capybaras (Hydrochoerus hydrochaeris) are the principal host for the tick Amblyomma ...
Felipe S Krawczak, Fernanda A Nieri-Bastos, Fernanda P Nunes, João F Soares, Jonas Moraes-Filho, Marcelo B Labruna   +5 more
doaj   +1 more source

Rickettsia parkeri in Amblyomma dubitatum ticks in a spotted fever focus from the Brazilian Pampa

Acta Tropica, 2017
Spotted fever is an acute febrile illness, which is considered severely underreported and misdiagnosed in the Brazilian Pampa, caused by tick-borne Rickettsiae. Here, we report an eco-epidemiological investigation of Rickettsia spp. in ticks from a spotted fever focus in Toropi, southern Brazil.
Bárbara, Weck, Bruno, Dall'Agnol, Ugo, Souza, Anelise, Webster, Bárbara, Stenzel, Guilherme, Klafke, João Ricardo, Martins, José, Reck   +7 more
openaire   +2 more sources

Needlestick-Associated Rocky Mountain Spotted Fever, Brazil [PDF]

, 2020
Stefan Vilges de Oliveira, Álvaro A. Faccini‐Martínez, Talita Adelino, Ana Íris de Lima Duré, Amália Regina Mar Barbieri, Marcelo B. Labruna   +5 more
openalex   +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

Serosurvey of spotted fever group Rickettsia in equids from western Pará, Amazon, Brazil

, 2022
Antônio Humberto Hamad Minervino, Emelie Andersson, Emma Norlander, Thiago Rocha Moreira, Solange María Gennari, Nohora Mercado-Caruso, Jonas Moraes‐Filho, Arlei Marcili, Thiago Fernandes Martins, Marcelo B. Labruna   +9 more
openalex   +2 more sources

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

Clusters of Brazilian spotted fever in São Paulo State, southeastern Brazil. A review of official reports and the scientific literature [PDF]

, 2009
Rodrigo Nogueira Angerami, Emily Montosa Nunes, Elvira Maria Mendes do Nascimento, André Ricardo Ribas Freitas, Brigina Kemp, Adriana Feltrin, M. Pacola, Glaucia Elisa Cruz Perecin, Verônica Maria Sinkoc, Mariângela Ribeiro Resende, Gizelda Katz, L. Jacintho da Silva   +11 more
openalex   +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