Results 141 to 150 of about 21,258 (244)

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

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   +1 more source

Antibody titers reactive with Rickettsia rickettsii in blood donors and implications for surveillance of spotted fever rickettsiosis in the United States.

Journal of Infectious Diseases, 2019
BACKGROUND Since 2000, the reported prevalence of tick-borne spotted fever group rickettsioses (SFGR) has increased considerably. We compared the level of antibody reactivity among healthy blood donors from two widely separated regions of the United ...
Anne Straily, Shawna Stuck, J. Singleton, Skyler Brennan, S. Marcum, M. Condit, Christopher Lee, C. Kato, L. Tonnetti, S. Stramer, C. Paddock   +10 more
semanticscholar   +1 more source

A review of the genus Rickettsia in Central America

Research and Reports in Tropical Medicine, 2018
Sergio E Bermúdez C,1 Adriana Troyo2 1Department of Medical Entomology, Gorgas Memorial Institute for Health Research, Panamá; 2Vector Research Laboratory, Tropical Diseases Research Center, Faculty of Microbiology, University of Costa Rica,
Bermúdez C SE, Troyo A
doaj  

A review of canine‐related zoonotic dermatologic diseases

International Journal of Dermatology, Volume 63, Issue 10, Page 1289-1290, October 2024.
Krisztian Nemeth
wiley   +1 more source

Amblyomma imitatorTicks as Vectors ofRickettsia rickettsii, Mexico

Emerging Infectious Diseases, 2010
Real-time PCR of Amblyomma imitator tick egg masses obtained in Nuevo Leon State, Mexico, identified a Rickettsia species. Sequence analyses of 17-kD common antigen and outer membrane protein A and B gene fragments showed to it to be R. rickettsii, which suggested a potential new vector for this bacterium.
Adriano Pinter, Márcio Antônio Moreira Galvão, Cláudio Mafra, David H. Walker, Taís Berelli Saito, Donald H. Bouyer, Thomas R. Shelite, Karla A. Oliveira, Stephen K. Wikel, Lucas S. Blanton, Pete D. Teel, Vsevolod L. Popov, Aaron Medina-Sanchez, Venkata D. Boppana   +13 more
openaire   +4 more sources

High Seroprevalence For Rickettsia Rickettsii In Equines Suggests Risk Of Human Infection In Silent Areas For The Brazilian Spotted Fever [PDF]

, 2017
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Equines play a role in the epidemiology of Brazilian spotted fever (BSF) since they are a primary host for the tick Amblyomma
Adriano, Celso Eduardo, Luciana Bonato, Maria Rita, Souza   +4 more
core   +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 Estudo da infecção por Rickettsias do grupo da febre maculosa em humanos e carrapatos de um parque urbano na Cidade de Londrina, Estado do Paraná

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  

Rickettsial neuroretinitis: A report of 2 cases

American Journal of Ophthalmology Case Reports, 2021
Purpose: The authors present two cases of neuroretinitis caused by Rickettsia rickettsii infection. Observations: Case 1 is a 24-year-old male who presented with 2 months of vision loss.
Caroline C. Awh, Akshay S. Thomas
doaj  

Anti-Rickettsia spp. antibodies in free-ranging and captive capybaras from southern Brazil

Pesquisa Veterinária Brasileira, 2011
Capybaras (Hydrochaeris hydrochaeris) are among the main hosts of Amblyomma spp. ticks, which is able to transmit Rickettsia species to human beings and animals.
Fernanda S. Fortes, Leonilda C. Santos, Zalmir S. Cubas, Ivan R. Barros-Filho, Alexander W. Biondo, Iara Silveira, Marcelo B. Labruna, Marcelo B. Molento   +7 more
doaj   +1 more source

Survey of rickettsiae in humans, dogs, horses, and ticks in Northern Paraná, Brazil
Levantamento de riquétsias em humanos, cães, cavalos e carrapatos no Norte do Paraná, Brasil

Semina: Ciências Agrárias, 2011
Brazilian Spotted Fever is a disease caused by Rickettsia rickettsii, and is transmitted to humans and animals by Amblyomma spp. The objective of this work was to study the epidemiology of spotted fever group rickettsiae in rural areas of Northern Parana.
John Stephen Dumler, Marcelo Bahia Labruna, Richard Campos Pacheco, Valeska Bender Haydu, Mauro de Freitas Silva Filho, Roberta dos Santos Toledo, Katia Tamekuni, Odilon Vidotto   +7 more
doaj   +1 more source