Results 61 to 70 of about 7,677 (151)

Relationship between brazilian spotted fever vectors Amblyomma sculptum and Amblyomma dubitatum and Rickettsia with the environment: risk assessment of human bitein anthropized areas

, 2020
Brazilian spotted fever (BSF), a disease with high lethality caused by the bacterium Rickettsia rickettsii, has two recognized ecological scenarios in Brazil.
Queiroz, Caroline Lopes
core   +1 more source

Amblyomma dissimile Koch 1844

, 2023
<p> <i>33.</i> <i>Amblyomma dissimile</i> Koch, 1844a.</p> <p> Nearctic: 1) Mexico (north), 2) USA; Neotropical: 1) Antigua and Barbuda, 2) Argentina, 3) Bahamas, 4) Barbados, 5) Belize, 6) Brazil, 7) Colombia,
Nava, Santiago, Robbins, Richard G., Guglielmone, Alberto A.   +2 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

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

[Survey of Rickettsia spp in the ticks Amblyomma cajennense and Amblyomma dubitatum in the State of São Paulo].

Revista da Sociedade Brasileira de Medicina Tropical, 2009
The presence of rickettsial infection was surveyed in 3,545 Amblyomma cajennense ticks and 2,666 Amblyomma dubitatum ticks. Using the hemolymph test, polymerase chain reaction and isolation of Rickettsia in cell cultures, all of the Amblyomma cajennense were negative, whereas 634 (23.8%) of the Amblyomma dubitatum ticks were shown to be infected with ...
Richard Campos, Pacheco, Maurício Cláudio, Horta, Adriano, Pinter, Jonas, Moraes-Filho, Thiago Fernandes, Martins, Marcello Schiavo, Nardi, Savina Silvana Aparecida Lacerra de, Souza, Celso Eduardo de, Souza, Matias Pablo Juan, Szabó, Leonardo José, Richtzenhain, Marcelo Bahia, Labruna   +10 more
openaire   +1 more source

Density of host-questing larvae, nymphs and adult ticks (Amblyomma sculptum and Amblyomma dubitatum) collected during all seasons of the study period (total) or during the larval (autumn), nymphal (winter) or adult (summer) seasons during 2015–2019 in Brazilian spotted fever (BSF)-endemic areas, BSF-nonendemic areas, and natural areas.

, 2019
Density of host-questing larvae, nymphs and adult ticks (Amblyomma sculptum and Amblyomma dubitatum) collected during all seasons of the study period (total) or during the larval (autumn), nymphal (winter) or adult (summer) seasons during 2015–2019 in ...
Celso Eduardo Souza (2605561), Katia Maria P. M. B. Ferraz (7354856), Alejandro Ramirez-Hernandez (7354823), Patricia Ferreira Monticelli (7354844), Ubiratan Piovezan (3321567), Diego G. Ramirez (4097479), Jardel Brasil (7354838), Ana Maria Nievas (7354841), Thiago C. Dias (7354829), Maria Estela G. Moro (7354847), Francisco B. Costa (6662117), Lina C. Binder (6741077), Hector R. Benatti (7354811), Maria Carolina de A. Serpa (7354817), Thiago F. Martins (4097476), Marcio Port Carvalho (7354826), José Brites-Neto (7354835), Vanessa N. Ramos (7354814), Hermes R. Luz (5160578), Raquel Juliano (523036), Beatriz Lopes (5084213), Camila L. Simeoni (7354832), Igor C. L. Acosta (7354820), Marcelo B. Labruna (6662120), Vlamir Rocha (5748788), Matias P. J. Szabó (7354859), Sebastián Muñoz-Leal (4629814), Daniel M. Aguiar (7354850), Richard C. Pacheco (7354853)   +28 more
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Utilização do alomônio (E)-2-octenal em humanos como repelente para carrapatosdo gênero Amblyomma: um teste de campo. [PDF]

, 2023
Carrapatos do gênero Amblyomma representam uma ameaça significativa à saúdepública, especialmente por sua associação com enfermidades causadas por riquétsias.
BORGES, L. M. F., MASCARIN, G. M., FERNANDES, E. K. K., SARRIA, A. L. F., PINTO, S. M. N., BARRETO, L. P., LIMA, V. H.   +6 more
core  

CARRAPATOS EM animais silvestres DO BIOMA CERRADO triados pelo Cetas, IBAMA-goIÁS

Ciência Animal Brasileira, 2016
O Bioma Cerrado possui por volta de 320 mil espécies de animais e ocupa aproximadamente 25% do território brasileiro. Por sua grande diversidade de espécies, excita o tráfico ilegal de animais silvestres.
Thiago Souza Azeredo Bastos, Darling Melany de Carvalho Madrid, Adriana Marques Faria, Thais Miranda Silva Freitas, Guido Fontgalland Coelho Linhares   +4 more
doaj   +1 more source

Risk of exposure to Amblyomma sculptum and Amblyomma dubitatum ticks and Rickettsia bellii in an urban area free from Brazilian Spotted Fever

, 2021
Tese para promoção à classe de Professor TitularDiseases caused/transmitted by ticks presuppose physical contact and trophic exchange between the host, vector, and pathogen. In this context, we can establish three levels/sequential stages of relationship
Szabó, Matias Pablo Juan
core  

Free-living ticks in a cerrado fragment, state of Mato Grosso do Sul, Brazil

Bioscience Journal, 2018
The fatal cases of spotted fever reported in some Brazilian municipalities are generally associated with the presence of ticks and capybaras (Hydrochoerus hydrochaeris). The urban forest fragments where this rodent is present are of great concern.
Jaqueline Matias, Wilson Werner Koller, Marcos Valerio Garcia, Jacqueline Cavalcante Barros, Maria Dolores Esteve-Gassent, André de Abreu Rangel Aguirre, Leandro de Oliveira Souza Higa, Namor Pinheiro Zimmermann, Renato Andreotti   +8 more
doaj   +3 more sources

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

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   +1 more source