Results 1 to 10 of about 258 (94)

Sensitivity of diagnostic methods for Mansonella ozzardi microfilariae detection in the Brazilian Amazon Region [PDF]

open access: yesMemorias do Instituto Oswaldo Cruz, 2018
BACKGROUND The human filarial worm Mansonella ozzardi is highly endemic in the large tributaries of the Amazon River. This infection is still highly neglected and can be falsely negative when microfilariae levels are low.
Jansen Fernandes Medeiros   +7 more
doaj   +4 more sources

Mansonelliasis, a neglected parasitic disease in Haiti [PDF]

open access: yesMemorias do Instituto Oswaldo Cruz, 2014
Reported in Haiti as early as 1923, Mansonella ozzardi is still a neglected disease ignored by the health authorities of the country. This review is an update on the geographic distribution of the coastal foci of mansonelliasis in Haiti, the ...
Christian Pierre Raccurt   +2 more
doaj   +4 more sources

A field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spots [PDF]

open access: yesParasites & Vectors, 2015
Background Mansonella ozzardi is a poorly understood human filarial parasite with a broad distribution throughout Latin America. Most of what is known about its parasitism has come from epidemiological studies that have estimated parasite incidence using
Jansen Fernandes Medeiros   +6 more
doaj   +5 more sources

Mansonella ozzardi in the municipality of Tefé, Amazonas, Brazil, 60 years after the first report: an epidemiologic study [PDF]

open access: yesMemorias do Instituto Oswaldo Cruz, 2014
The prevalence of mansonelliasis was studied in the municipality of Tefé, state of Amazonas, Brazil. The prevalence (thick blood smear method) was 13.6% (147/1,078), higher in the Solimões River region (16.3%) than in the Tefé River region (6.3%). In the
Jansen Fernandes Medeiros   +4 more
doaj   +8 more sources

Ceratopogonidae (Diptera: Nematocera) of the piedmont of the Yungas forests of Tucumán: ecology and distribution [PDF]

open access: yesPeerJ, 2016
Within the Ceratopogonidae family, many genera transmit numerous diseases to humans and animals, while others are important pollinators of tropical crops.
José Manuel Direni Mancini   +4 more
doaj   +5 more sources

Mansonella ozzardi in Amazonas, Brazil: prevalence and distribution in the municipality of Coari, in the middle Solimões River [PDF]

open access: yesMemorias do Instituto Oswaldo Cruz, 2010
This study investigated some epidemiological aspects of the Mansonella ozzardi in municipality of Coari, Amazonas. Clinical symptoms were correlated with the filarial infection and the parasitic infection rates (PIR) were estimated in simuliid vectors ...
Marilaine Martins   +4 more
doaj   +6 more sources

Molecular detection of filarial nematode parasites in Japanese black bears (Ursus thibetanus japonicus) from Iwate Prefecture, Japan. [PDF]

open access: yesJ Vet Med Sci, 2021
This study aimed to detect filarial parasites in blood samples of Japanese black bears (Ursus thibetanus japonicus) collected from Iwate Prefecture, Japan.
Masatani T   +6 more
europepmc   +3 more sources

Epidemiological studies of Mansonella ozzardi (Nematoda, Onchocercidae) in indigenous communities of Pauini municipality, Amazonas, Brazil Estudos epidemiológicos da Mansonella ozzardi (Nematoda, Onchocercidae) em comunidades indígenas do município de Pauini, Amazonas, Brasil [PDF]

open access: yesActa Amazonica, 2007
The Mansonella ozzardi has a widespread distribution among the indigenous and riverine communities of Amazonas, Brazil. We estimated the prevalence of Mansonella ozzardi in indigenous communities of the Pauini municipality, Amazonas state, Brazil and the
Jansen Fernandes Medeiros   +3 more
doaj   +6 more sources

High Prevalence of Mansonella ozzardi Infection in the Amazon Region, Ecuador [PDF]

open access: yesEmerging Infectious Diseases, 2019
We reviewed Giemsa-stained thick blood smears, obtained through the national malaria surveillance program in the Amazon region of Ecuador, by light microscopy for Mansonella spp. microfilariae. Of 2,756 slides examined, 566 (20.5%) were positive.
Manuel Calvopina   +4 more
doaj   +2 more sources

A new species of Cerqueirellum Py-Daniel, 1983 (Diptera: Simuliidae) and proven new vector of mansonelliasis from the Ituxi River, Amazon basin, Brazil Uma nova espécie de Cerqueirellum Py-Daniel, 1983 (Diptera, Simuliidae) e provável novo vetor de mansonelose no rio Ituxi, Amazonas, Brasil [PDF]

open access: yesActa Amazonica, 2008
A new species of the genus Cerqueirellum Py-Daniel, 1983 (Diptera: Simuliidae) is described. The adults are similar to the species C. oyapockense (Floch & Abonnenc, 1946) and C. roraimense (Nunes de Mello, 1974), of which the females are similar, and the
Felipe Arley Costa Pessoa   +2 more
doaj   +5 more sources

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