Results 101 to 110 of about 21,637 (264)

Ecology, biology and distribution of spotted-fever tick vectors in Brazil

Frontiers in Cellular and Infection Microbiology, 2013
Spotted-fever caused Rickettsia rickettsii infection is in Brazil the major tick-borne zoonotic disease. Recently a second and milder human rickettsiosis caused by an agent genetically related to R.
Matias Pablo Juan Szabó, Adriano ePinter, Marcelo Bahia Labruna   +2 more
doaj   +1 more source

Rickettsia felis infection in cat fleas Ctenocephalides felis felis [PDF]

, 2010
The present study evaluated the rickettsial infection in a laboratory colony of cat fleas, Ctenocephalides felis felis (Bouche) in Brazil. All flea samples (30 eggs, 30 larvae, 30 cocoons, 30 males, and 30 females) tested by polymerase chain reaction ...
CORREIA, Thaís R., FERNANDES, Julio I., HORTA, Maurício Cláudio, LABRUNA, Marcelo Bahia, RICHTZENHAIN, Leonardo José, SCOTT, Fabio B.   +5 more
core   +2 more sources

Rickettsia spp. and Anaplasmataceae in Ticks From Domestic Animals in Northern Colombia

Zoonoses and Public Health, Volume 72, Issue 5, Page 421-434, August 2025.
ABSTRACT Introduction Tick‐borne diseases have a significant impact on public and animal health and represent a considerable financial burden on livestock farming. However, in many regions of Latin America, comprehensive epidemiological data, including species identification, geographical distribution and molecular profiling of ticks and their ...
Maria Badillo‐Viloria, Salim Mattar, Susana Remesar, Steffania de la Rosa‐Jaramillo, Ignacio García‐Bocanegra, Jorge Miranda, Aránzazu Portillo, Cristina Cervera‐Acedo, José Antonio Oteo, David Cano‐Terriza   +9 more
wiley   +1 more source

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

Arquivo Brasileiro de Medicina Veterinária e Zootecnia
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   +1 more source

Encefalite por Rickettsia sem exantema: a propósito de um caso clínico

Revista Educação em Saúde, 2018
Objective:: To report a rare case of Rickettsia encephalitis without exanthema. Case report:A 44-year-old male patient, a rural worker, presented daily fever, myalgia and asthenia progressing with left eye amaurosis, ataxia, mental ...
Talita Fernandes Araújo, Luís Pedro Ferreira de Assis, Paulo Ricardo de Lima   +2 more
doaj   +1 more source

Rickettsioses in Latin America, Caribbean, Spain and Portugal [PDF]

, 2011
Data on genus and infectious by Rickettsia were retrospectively compiled from the critical review literature regarding all countries in Latin America, Caribbean islands, Portugal and Spain.
Abarca, Katia, Bermudez, Sergio, De Sousa, Rita, Dolz, Gaby, Labruna, Marcelo B., Mattar V, Salim, Nava, Santiago, Oteo, Jose, Romero, Luis, Venzal, Jose M., Zavala-Castro, Jorge   +10 more
core   +1 more source

Serological differentiation of antibodies against Rickettsia helvetica, R. raoultii, R. slovaca, R. monacensis and R. felis in dogs from Germany by a micro-immunofluorescent antibody test [PDF]

, 2015
Background Spotted Fever Group (SFG) Rickettsiae can cause febrile diseases with or without rash in humans worldwide. In Germany only limited data are available about their medical significance.
Dobler, Gerhard, Kohn, Barbara, Moritz, Andreas, Pachnicke, Stefan, Pfeffer, Martin, Silaghi, Cornelia, Wächter, Miriam, Wölfel, Silke   +7 more
core   +3 more sources

Predicting the potential distribution of Amblyomma americanum (Acari: Ixodidae) infestation in New Zealand, using maximum entropy-based ecological niche modelling [PDF]

, 2020
Publishe
Ganta, RR, Heath, ACG, Lawrence, KE, Peterson, AT, Pomroy, WE, Raghavan, RK   +5 more
core   +1 more source

Investigation of Anti‐IgG Antibody Responses to the 17‐kDa Outer Membrane Protein of Rickettsia japonica in Individuals From a High‐Risk Area for Japanese Spotted Fever

Experimental Dermatology, Volume 34, Issue 7, July 2025.
ABSTRACT This study evaluated the seroprevalence and persistence of IgG antibodies against Rickettsia japonica's outer membrane protein (Omp) using a recombinant 17‐kDa antigen and Western blot analysis in residents of Minamiise, Japan—a high‐incidence Japanese spotted fever (JSF) area—and in individuals from non‐endemic regions.
Makoto Kondo, Koji Habe, Keiichi Yamanaka   +2 more
wiley   +1 more source

In vitro susceptibilities of Coxiella burnetii, Rickettsia rickettsii, and Rickettsia conorii to the fluoroquinolone sparfloxacin [PDF]

Antimicrobial Agents and Chemotherapy, 1991
In vitro susceptibilities of Rickettsia rickettsii, Rickettsia conorii, and Coxiella burnetii to the new fluoroquinolone sparfloxacin (AT-4140; RP 64206) were determined. Plaque and dye uptake assays were used to measure the MICs against R. rickettsii and R. conorii. The susceptibilities of C.
P. Bres, M Drancourt, Didier Raoult, G Vestris   +3 more
openaire   +3 more sources