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Accuracy of real-time polymerase chain reaction to detect Schistosoma mansoni – infected individuals from an endemic area with low parasite loads
(Cambridge University Press, 2020)Due to the efforts to control schistosomiasis transmission in tropical countries, a large proportion of individuals from endemic areas present low parasite loads, which hinders diagnosis of intestinal schistosomiasis by ... -
Acometimento cardíaco em pacientes com doença de Chagas aguda em microepidemia familiar, em Abaetetuba, na Amazônia Brasileira
(Sociedade Brasileira de Medicina Tropical, 2001)The authors describe the main clinical findings relative to cardiac involvement, in patients with acute Chagas' disease (CD) in yet another familial micro-epidemic episode of CD in Amazon region. Thirteen patients were ... -
Aconitate hydratase (ACON), an enzyme that distinguishes Leishmania of the subgenus Viannia from other trypanosomatids
(Oxford University Press, 1991) -
Acquired immune responses to the N- and C-terminal regions of Plasmodium vivax merozoite surface protein 1 in individuals exposed to malaria
(American Society for Microbiology, 1997)In this study, we evaluated the naturally acquired immune response to Plasmodium vivax merozoite surface protein 1 (PvMSP1) in individuals with recent clinical episodes of malaria from the state of Para´, Brazil. ... -
Active transmission of Leishmania braziliensis braziliensis in the Serra de Mar forest, São Paulo, Brazil
(Oxford University Press, 1989) -
Activity of alkaloids from Aspidosperma nitidum against Leishmania (Leishmania) amazonensis
(Nature Research, 2022)This study evaluated the morphological changes caused by fractions and subfractions, obtained from barks of Aspidosperna nitidum, against L. (L.) amazonensis promastigotes. The ethanolic extract (EE) obtained through the ... -
Alterações eletrocardiográficas durante e após tratamento com benzonidazol em fase aguda de doença de Chagas autóctone da Amazônia brasileira
(Instituto Evandro Chagas, 2010)Avaliar o comprometimento cardíaco associado às infecções agudas por Tripanosomas considerando os distúrbios de condução elétrica e ritmo cardíacos apresentados durante a fase aguda e após tratamento, em uma casuística ... -
American visceral leishmaniasis: on the origin of Leishmania (Leishmania) chagasi
(Oxford University Press, 1987) -
An analysis of the influence of sex hormones on Balb/c mice infected with Plasmodium berghei
(Elsevier, 2015)Sex steroids can determine several responses in the clinical evolution of malaria. Seventy Balb-c mice were randomly distributed into 7 groups (10 mice per group): G1 to G6 corresponding to castrated females, castrated ... -
An erythrocytic virus of the Brazilian tree-frog, Phrynohyas venulosa
(Instituto Oswaldo Cruz, 1995)Blood erythrocytes of Brazilian tree-frogs, Phrynohyas venulosa were found to frequently contain single, small, densely staining inclusions. Electron microscopy showed these to be icosahedral viral particles which measured ... -
An experimental study of the peridomestic distribution of Lutzomyia longipalpis (Diptera: Psychodidae)
(Cambridge University Press, 1994)Lutzomyia longipalpis (Lutz & Neiva), the vector of American visceral leishmaniasis (AVL), is much more abundant in animal sheds than in houses on Marajo Island, Para State, Brazil. This difference in abundance is known ... -
An illustrated key to the eggs of thirty species of brazilian anophelines, with several new descriptions
(1944)Ovipositions from more than 28,000 isolated females, representing 30 species of anopheline mosquitoes coUected in Brazil, were studied, and the eggs of 9 species described for the first time. A key to the eggs of these ... -
An immediate intradermal reaction to leishmanial antigen in human cutaneous leishmaniasis
(Oxford University Press, 1974) -
An outbreak of cutaneous leishmaniasis among soldiers in Belém, Pará State, Brazil, caused by Leishmania (Viannia) lindenbergi n. sp. A new leishmanial parasite of man in the Amazon region
(EDP Open, 2002)Eight cases of cutaneous leishmaniasis are recorded among soldiers of the Brazilian Forest Infantry stationed in Belém, State of Pará, north of Brazil. The infections, all acquired during manoeuvres in nearby degraded ... -
Analysis of an acute Chagas disease outbreak in the Brazilian Amazon: human cases, triatomines, reservoir mammals and parasites
(Oxford University Press, 2009)An outbreak of Chagas disease occurred in Mazagão, Amapá, Brazilian Amazon in 1996. Seventeen of 26 inhabitants presented symptoms compatible with acute Chagas disease and were submitted to parasitological and serological ... -
Analysis of genetic variability of Plasmodium vivax isolates from different Brazilian Amazon areas using tandem repeats
(American Society of Tropical Medicine and Hygiene, 2009)Few genetic markers have been described to analyze populations of Plasmodium vivax . The genetic variability of P. vivax has been analyzed mainly among isolates taken from areas ranging from hyper- to holoendemic areas. ... -
Analysis of malaria clinical-epidemiological predictors in individuals from Brazilian Amazon
(Cambridge University Press, 2022)This research aims to determine whether the combination of epidemiological and clinical features can predict malaria. Diagnostic investigation detected 22.3% of individuals with Plasmodium vivax (P. vivax) malaria, with ... -
Analysis of the detection coefficient for the association between leprosy and pregnancy in the integration region of Carajás, State of Pará, Brazil
(Sociedade Brasileira de Medicina Tropical, 2013)The association between leprosy and pregnancy is currently poorly understood and has been linked to serious clinical consequences. Methods: A retrospective study between 2007 and 2009 was performed in the integration region ... -
Análise da diversidade do Plasmodium falciparum pela caracterização de clones isolados de amostras da região amazônica brasileira
(Fundação Oswaldo Cruz. Escola Nacional de Saúde Pública, 1986)