Results 41 to 50 of about 3,183 (248)

Infecção por riquétsias em carrapatos de aves silvestres em duas ecorregiões da Argentina [PDF]

open access: yes, 2016
Several tick-borne Rickettsia species are recognized human pathogens in Argentina. Here we evaluated rickettsial infection in ticks collected on passerine birds during 2011-2012 in two eco-regions of Argentina.
Borges Costa, Francisco   +4 more
core   +1 more source

Soroprevalência de Borrelia burgdorferi latu sensu associada à presença de carrapatos em cães de áreas rurais do Estado do Rio de Janeiro, Brasil [PDF]

open access: yesCiência Rural, 2004
Pesquisou-se a presença de anticorpos contra Borrelia burgdorferi latu sensu em cães de áreas rurais de sete municípios do Estado do Rio de Janeiro, pelo ensaio imunoenzimático indireto, associando-se os resultados com a presença de carrapatos nestes ...
Lucia Helena O'Dwyer   +5 more
doaj   +1 more source

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 [PDF]

open access: yes, 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.
DUMLER, John Stephen   +7 more
core   +2 more sources

Infecção experimental de carrapatos (Amblyomma cajennense) em ratos com lepra Stefansky [PDF]

open access: diamondMemórias do Instituto Oswaldo Cruz, 1943
The A. succeeded, after various experiments, to infect ticks (Amblyoma cajennense) with STEFANSKY bacillus, upon feeding them in rats suffering from murine leprosy, in advanced stages. The A. thinks that will be ease to transfer the sickness from rat to rat by means of inoculation of triturate of infected ticks, as did MARCHOUX with Laelaps echdninus.
H. C. de Souza-Araújo
openalex   +5 more sources

Dinâmica sazonal de carrapatos (Acari: Ixodidae) na mata ciliar de uma área endêmica para febre maculosa na região de Campinas, São Paulo, Brasil [PDF]

open access: yesCiência Rural, 2006
A febre maculosa é mundialmente reconhecida como um problema reemergente de saúde pública. Na região de Campinas-SP, observam-se uma ampliação da área de transmissão do agente da doença e a ocorrência de um maior número de casos confirmados nos últimos ...
Savina Silvana Aparecida Lacerra de Souza   +3 more
doaj   +1 more source

Amblyomma cajennense (Fabricius, 1787) (Ixodida: Ixodidae): human parasitism and the first record from the Acre State, Western Brazilian Amazon

open access: yesEntomological Communications, 2022
The Cayenne tick, Amblyomma cajennense (Fabricius, 1787) (Ixodida: Ixodidae), parasitizes a range of vertebrate hosts, including humans, accidentally.
Vanessa L. de Souza   +5 more
doaj   +1 more source

New tick records in Rondônia, Western Brazilian Amazon Novos relatos de carrapatos em Rondônia, Amazônia ocidental brasileira

open access: yesRevista Brasileira de Parasitologia Veterinária, 2010
In the present study, we provide new tick records from Vilhena Municipality, in the Southeast of the State of Rondônia, Northern Brazil. Ticks collected from a capybara, Hydrochoerus hydrochaeris (Linnaeus), were identified as Amblyomma romitii Tonelli ...
Marcelo Bahia Labruna   +4 more
doaj   +1 more source

Notas de ixodologia: V - A propósito da validade de algumas espécies do gênero Amblyomma do continente americano (Acari: Ixodídoe)

open access: yesMemorias do Instituto Oswaldo Cruz, 1953
a) The species Amblyomma tapiri Tonelli Rondelli, 1937 and Amblyomma finitimum Tonelli Rondelli, 1937 are synonymous with Amblyomma cajennense Fabricius, 1787.
Henrique B. Aragão, Flávio da Fonseca
doaj   +1 more source

Rickettsia infection in Amblyomma tonelliae, a tick species from the Amblyomma cajennense complex

open access: yesTicks and Tick-borne Diseases, 2015
The present study was performed to evaluate the Rickettsia infection in Amblyomma tonelliae ticks from Argentina. All ticks were subjected to DNA extraction and tested by a battery of PCRs to amplify fragments of four rickettsial genes, 23S-5S, gltA, ompA and htrA. Two ticks were positive.
Tarragona, Evelina Luisa   +5 more
openaire   +3 more sources

Complementary data on four methods for sampling free-living ticks in the Brazilian Pantanal. [PDF]

open access: yes, 2017
In this study, four methods for sampling free-living ticks that are used in ecological and human tick-bite risk studies were evaluated. Cloth dragging, carbon dioxide traps and visual searches and inspection of plant litter on the ground were used in ...
OSAVA, C. F.   +3 more
core   +1 more source

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