Results: 250

Epidemiologia da leishmaniose tegumentar americana (LTA) no município de Xapuri, Estado do Acre, Brasil: estudo em população humana, cães domésticos e vetores

Introdução. A leishmaniose tegumentar americana (LTA) é uma endemia de importância em saúde pública na Amazônia Brasileira, onde possui diferentes perfis de transmissão com a participação de diversas espécies de vetores e de protozoários do gênero Leishmania. O Estado do Acre apresenta altos...

Ehrlichia canis DNA in domestic cats parasitized by Rhipicephalus sanguineus sensu lato (s. l. ) ticks in Brazil – case report

Ectoparasites can transmit pathogens, including bacteria such as Ehrlichia sp., which trigger infectious diseases in domestic animals. Little is known about the epidemiology of feline ehrlichiosis, although several studies have focused on elucidating the pathogenesis and transmission of this disease. Thi...

Drivers of house invasion by sylvatic Chagas disease vectors in the Amazon-Cerrado transition: A multi-year, state-wide assessment of municipality-aggregated surveillance data

Plos negl. trop. dis; 11 (11), 2017
Background Insecticide spraying efficiently controls house infestation by triatomine bugs, the vectors of Trypanosoma cruzi. The strategy, however, is ineffective against sylvatic triatomines, which can transmit Chagas disease by invading (without colonizing) man-made structures. Despite growing awarenes...

Incidência dos casos de dengue (2007-2013) e distribuição sazonal de culicídeos (2012-2013) em Barreiras, Bahia

Epidemiol. serv. saúde; 25 (4), 2016
OBJETIVO: descrever a distribuição sazonal de culicídeos e a incidência dos casos de dengue em Barreiras, Bahia, Brasil. MÉTODOS: estudo descritivo com dados primários de distribuição de culicídeos em ovitrampas de abril de 2012 a março de 2013, e com dados secundários do Sistema de Informaç...

Irrigation canals in Melo creek basin (Rio Espera and Capela Nova municipalities, Minas Gerais, Brazil): habitats to Biomphalaria (Gastropoda: Planorbidae) and potential spread of schistosomiasis

Braz. j. biol; 76 (3), 2016
Abstract This study analyzed the presence of Biomphalaria in Melo creek basin, Minas Gerais state, and its relationship to irrigation canals. Seventeen of these canals were used to determine a limnological, morphological and hydrological characterization during an annual seasonal cycle. Biomphalaria samp...

Design and construction of a trap for the surveillance of Aedes (Stegomyia) aegypti (Diptera: Culicidae)

Introduction: Understanding Aedes (Stegomyia) aegypti (L) behavior will provide insight into the design of entomological surveillance devices. Objective: Design and build a trap for surveillance Aedes aegypti. Methodology: We examined egg-laying preference and the ability to capture adult Ae. aegypti usi...

Canine cutaneous leishmaniasis by Leishmania (Viannia) braziliensis in an agricultural settlement, endemic area for leishmaniasis

Cutaneous leishmaniasis has several species of Leishmania as agents, and a wide variety of wild and domestic animals as hosts and different species of phlebotomines as vectors. A case of cutaneous leishmaniasis in a dog coming from an agricultural settlement is described. This is the first report of para...

Ten years of a hantavirus disease emergency in the Federal District, Brazil

Abstract: INTRODUCTION: Hantavirus diseases are emerging human diseases caused by Hantavirus spp. of the Bunnyaviridae family. Hantavirus pulmonary syndrome (HPS) has been detected in the Federal District (DF) of Brazil since 2004. Among the 27 Brazilian Federal Units, DF has the highest fatality rate. M...

Behavioral and Toxicological Responses of Rhodnius prolixus (Hemiptera: Reduviidae) to the Insect Repellents DEET and IR3535

J. med. entomol; 53 (2), 2016
N,N-diethyl-3-methylbenzamide (DEET) is a broad-spectrum insect repellent used by millions of people since the 1950s. Ethyl 3-[acetyl(butyl)amino]propanoate (IR3535) is a repellent developed more recently that is still not used as extensively. This study compares the behavioral and toxicological effects ...

Avaliação da eficácia das ações preventivas adotadas pela Gevaz-Brasília-DF, visando o controle da transmissão da leishmaniose visceral canina

J. Health Sci. Inst; 33 (3), 2015
Objetivo – Analisar as medidas preventivas para diminuir o número de casos de Leishmaniose Visceral Canina na Gerência de Vigilância Ambiental de Zoonoses (GEVAZ) em Brasília – Distrito Federal. Métodos – O estudo é do tipo retrospectivo descritivo que foi desenvolvido na Gerência de Vigilâ...