Results 51 to 60 of about 675 (155)

Exposição de capivaras (Hydrochoerus hydrochaeris) à Rickettsia no Distrito Federal, área não endêmica para febre maculosa brasileira [PDF]

open access: yes, 2021
In this study, whole blood samples and ticks were collected from 57 capybaras in recreational areas in the Federal District, Brazil, aiming to investigate the presence of Rickettsia spp.
Binder, Thiago Fernandes Martins Lina de Campos   +8 more
core   +1 more source

Spotted fever group Rickettsia in Amblyomma dubitatum tick from the urban area of Campo Grande, Mato Grosso do Sul, Brazil [PDF]

open access: yesTicks and Tick-borne Diseases, 2015
Rickettsia infection of each tick was evaluated by the hemolymph test and polymerase chain reaction (PCR) targeting gltA and ompA genes. All hemolymph tests were negative and PCR of one A. dubitatum detected both Rickettsia genes. Sequence of ompA exhibited a 99% identity with Rickettsia parkeri and R. africae and a 98% identity with R.
Jaqueline, Matias   +6 more
openaire   +2 more sources

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

open access: yesActa 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   +7 more
openaire   +2 more sources

Novos relatos de carrapatos infectados por Rickettsia bellii no Brasil [PDF]

open access: yes, 2017
This study investigated the occurrence of rickettsial infection in ticks collected from wild animals in two areas of Brazil. Amblyomma dubitatum ticks were collected from a capybara (Hydrochoerus hydrochaeris) in Guarda-Mor municipality, state of Minas ...
Barbieri, Amália Regina   +5 more
core   +3 more sources

Risk factors associated with the transmission of Brazilian spotted fever in the Piracicaba river basin, State of São Paulo, Brazil [PDF]

open access: yes, 2021
Brazilian spotted fever (BSF) is a disease transmitted by ticks for which the etiological agent is Rickettsia rickettsii. The present essay evaluates the risk factors associated with the transmission of cases of BSF in the time period between 2003 and ...
Donalisio, Maria Rita   +1 more
core   +1 more source

Molecular screening of Bartonella in free-ranging capybaras (Hydrochoerus hydrochaeris) from Paraná State, Southern Brazil

open access: yesSemina: Ciências Agrárias, 2022
Bartonella is an emerging group of facultative intracellular bacteria causing circulatory and systemic disorders. Hosts for Bartonella are mostly mammals, specifically rodents, having a growing number of Bartonella species related to their infection ...
Nelson Jessé Rodrigues dos Santos   +9 more
doaj   +1 more source

Diversity of ticks in the wildlife screening center of São Paulo city, Brazil

open access: yesCiência Rural
: The Wildlife Screening Center (CETAS) of the Tietê Ecological Park (PET), situated at the municipality of São Paulo, receives, treats and rehabilitates wild animals that have been dislodged from their natural environment due to different reasons.
Thiago Fernandes Martins   +8 more
doaj   +1 more source

Investigação molecular de flavivírus e orthobunyaviruses em carrapatos do gênero Amblyomma spp. coletados em Minas Gerais, Brasil [PDF]

open access: yes, 2019
Due to anthropic environmental changes, vector-borne diseases are emerging worldwide. Ticks are known vectors of several pathogens of concern among humans and animals.
Bahía Labruna, Marcelo   +4 more
core   +1 more source

Molecular detection of piroplasmids in mammals from the Superorder Xenarthra in Brazil [PDF]

open access: yes, 2023
Xenarthra mammals can be found from southern North America to southern South America, including all Brazilian biomes. Although it has been shown that Xenarthra mammals can play a role as reservoirs for several zoonotic agents, few studies investigate ...
Alves M. H.   +11 more
core   +1 more source

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

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