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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) -
Animal reservoirs of Leishmania in different ecological situations and their importance in the epidemiology of the disease
(Instituto Oswaldo Cruz, 1988) -
Anion-exchange separation for neotropical trypanosomes: a preliminary trial and a description of Trypanosoma devei from the tamarinSaguinus midas niger
(Springer Verlag, 1984)Anion-exchange separation trials using DEAE-cellulose columns were performed with blood from two single species of marsupial and edentate, three species of rodent and single species of carnivore, primate, cayman and ... -
Anopheles (Nyssorhynchus) sawyeri, a new anopheline mosquito from Ceara, Brazil
(Entomological Society of America, 1943)One of the most widely distributed anophelines of the Nyssorhynchns group is Anopheles argyritarsis Robineau-Desvoidy. Although the Species has been recognized for more than one hundred years, no very closely related forms ... -
Anopheles aquasalis vs. Anopheles tarsimaculatus as the name for the brackish water anopheline of Central and South america and the Caribbean islands
(1945)The validity of the name tarsimaculatus as used by Goeldi for the Anophelines of the sub-genus Nyssorhynchus with black ring on the fifth hind tarsi, is discussed. It is pointed out that at least three species of the ... -
Anopheles darlingi and Anopheles marajoara (Diptera: Culicidae) susceptibility to pyrethroids in an endemic area of the Brazilian Amazon
(Sociedade Brasileira de Medicina Tropical, 2015)This study aimed to evaluate the susceptibility of Anopheles darlingi Root (1926) and Anopheles marajoara Galvão & Damasceno (1942) to pyrethroids used by the National Malaria Control Program in Brazil. Methods: Mosquitoes ... -
Anti-Plasmodium vivax duffy binding protein antibodies measure exposure to malaria in the Brazilian Amazon
(American Society of Tropical Medicine and Hygiene, 2005)Plasmodium vivax Duffy binding protein (DBP) is functionally important in the erythrocyte invasion process and provides a logical target for vaccine-mediated immunity. In the current study, we demonstrated that DBP is ... -
Anti-promastigote activity of the amazon plants
(David Publishing, 2017)This study evaluated in vitro activity of ethanol extract, fractions, and isolated substance from Amazon species against promastigotes of L. amazonensis. The ethanol extracts were concentrated and fractionation. The ... -
Anti-Toxoplasma gondii antibodies in beef cattle slaughtered in the metropolitan region of Belém, Brazilian Amazon
(Colégio Brasileiro de Parasitologia Veterinária, 2017)The relevance of consuming raw or undercooked beef in the transmission of toxoplasmosis is unclear due to the high resistance of cattle to infection. However, this possibility needs to be considered in endemic areas, such ... -
Antibodies against the Plasmodium vivax apical membrane antigen 1 from the Belem strain share common epitopes among other worldwide variants
(Frontiers Media, 2021)Malaria is a human parasitic disease distributed in many tropical countries and caused by various Plasmodium species. Plasmodium vivax has the largest geographical distribution of the Plasmodium species and is predominant ... -
Antibodies anti bloodstream and circumsporozoite antigens (Plasmodium vivax and Plasmodium malariae / P. brasilianum) in areas of very low malaria endemicity in Brazil
(Instituto Oswaldo Cruz, 1997)During 1992-1994, 33 malaria cases were reported in two regions in Brazil where few sporadic atypical cases occur, most of them in home owners, who are weekenders, while home caretakers live there permanently. Indirect ... -
Antibody response to sand fly saliva is a marker of transmission intensity but not disease progression in dogs naturally infected with Leishmania infantum
(BioMed Central, 2018)Background: Antibody responses to sand fly saliva have been suggested to be a useful marker of exposure to sand fly bites and Leishmania infection and a potential tool to monitor the effectiveness of entomological ... -
Antibody response to the N and C-terminal regions of the Plasmodium vivax merozoite surface Protein 1 in individuals living in an area of exclusive transmission of P. vivax malaria in the north of Brazil
(Elsevier, 1999)Recently, we found that a recombinant protein based on the 19 kDa C-terminal region of the Plasmodium 6i6ax Merozoite Surface Protein 1 (PvMSP119) was recognized by a large proportion of individuals naturally infected. ... -
Antiplasmodial activity of the andiroba (Carapa guianensis Aubl., Meliaceae) oil and its limonoid-rich fraction
(Elsevier, 2012)Ethnopharmacological relevance: From seeds of Carapa guianensis the Amazon native people extracts the andiroba oil, which is traditionally used as febrifuge, anti-malarial, insecticidal and repellant. The nonsaponifiable fraction ... -
Aotus infulatus monkey is susceptible to Plasmodium falciparum infection and may constitute an alternative experimental model for malaria
(Instituto Oswaldo Cruz, 2000)Aotus is one of the WHO-recommended primate models for studies in malaria, and several species can be infected with Plasmodium falciparum or P. vivax. Here we describe the successful infection of the species A. infulatus ...