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Brazil

Vector competence, vectorial capacity of Nyssorhynchus darlingi and the basic reproduction number of Plasmodium vivax in agricultural settlements in the Amazonian Region of Brazil

April 8, 2019 - 16:08 -- Open Access
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Author(s): 
Maria Anice M. Sallum, Jan E. Conn, Eduardo Massad, et al.
Reference: 
Malaria Journal 2019 18:117, 4 April 2019

In spite of low vector competence of Ny. darlingi to P. vivax, parasite propagation in the human population is enhanced by the high human-biting rate, and relatively high vectorial capacity.

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Effects of anthropogenic landscape changes on the abundance and acrodendrophily of Anopheles (Kerteszia) cruzii, the main vector of malaria parasites in the Atlantic Forest in Brazil

April 4, 2019 - 15:37 -- Open Access
Author(s): 
Antônio Ralph Medeiros-Sousa, Rafael de Oliveira Christe, Ana Maria Ribeiro de Castro Duarte, Luis Filipe Mucci, Walter Ceretti-Junior and Mauro Toledo Marrelli
Reference: 
Malaria Journal 2019 18:110, 2 April 2019

While the data indicate that changes in landscape due to human activities lead to a reduction in An. cruzii abundance, such changes may increase the contact rate between this species and humans living on the edges of forest fragments where An. cruzii is found.

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Use and retention of long-lasting insecticidal nets (LLINs) in a malaria risk area in the Brazilian Amazon: a 5-year follow-up intervention

March 27, 2019 - 16:01 -- Open Access
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Author(s): 
Jessica Oliveira de Sousa, Bernardino Claudio de Albuquerque, José Rodrigues Coura and Martha Cecilia Suárez-Mutis
Reference: 
Malaria Journal 2019 18:100, 25 March 2019

High ownership and retention of the LLINs was observed in the intervention group.

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Field evaluation of malaria malachite green loop-mediated isothermal amplification in health posts in Roraima state, Brazil

March 27, 2019 - 15:54 -- Open Access
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Author(s): 
Heather M. Kudyba, Jaime Louzada, Dragan Ljolje, Karl A. Kudyba, Vasant Muralidharan, Joseli Oliveira-Ferreira and Naomi W. Lucchi
Reference: 
Malaria Journal 2019 18:98, 25 March 2019

MG-LAMP is a sensitive and specific assay that may be useful for the detection of malaria parasites in remote healthcare settings.

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Diversity of Anopheles mosquitoes from four landscapes in the highest endemic region of malaria transmission in Brazil

November 22, 2018 - 15:43 -- Open Access
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Author(s): 
L.M.O. Martins, M.R. David, R. Maciel‐de‐Freitas, T.F. Silva‐do‐Nascimento
Reference: 
Journal of Vector Ecology, Volume 43, Issue 2 December 2018 Pages 235-244

Malaria transmission in South America is overwhelmingly located in the Amazon region with limited cases outside that biome.

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Not Open Access | A new pathogen spillover from domestic to wild animals: Plasmodium juxtanucleare infects free-living passerines in Brazil

October 31, 2018 - 15:50 -- NOT Open Access
Author(s): 
Francisco C. Ferreira-Junior, Daniela de Angeli Dutra, Érika M. Braga, et al.
Reference: 
Parasitology, Volume 145 / Issue 14, December 2018, pp 1949 – 1958

Habitat modification may facilitate the emergence of novel pathogens, and the expansion of agricultural frontiers make domestic animals important sources of pathogen spillover to wild animals.

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Strategy to improve malaria surveillance system preventing transfusion-transmitted malaria in blood banks using molecular diagnostic

October 2, 2018 - 15:39 -- Open Access
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Author(s): 
Sérgio Antônio Batista-dos-Santos, Daniel Roberto C. Freitas, Milene Raiol, Gleyce F. Cabral, Ana Cecília Feio, Marinete M. Póvoa, Maristela G. Cunha and Ândrea Ribeiro-dos-Santos
Reference: 
Malaria Journal 2018 17:344, 1 October 2018

Molecular diagnostic using mt-qPCR was effective in revealing infected potential donors with good perspectives to be applied as screening routine of asymptomatic carriers for preventing transfusion-transmitted malaria in blood banks.

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Efficacy and safety of artemisinin-based combination therapy and chloroquine with concomitant primaquine to treat Plasmodium vivax malaria in Brazil: an open label randomized clinical trial

January 24, 2018 - 13:30 -- Open Access
Author(s): 
André Daher, Dhelio Pereira, David G. Lalloo, et al.
Reference: 
Malaria Journal 2018 17:45, 24 January 2018

This study demonstrated the efficacy and safety of all three regimens that were tested with 42-day cure rates that meet World Health Organization criteria.

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Mitochondrial genome of Plasmodium vivax/simium detected in an endemic region for malaria in the Atlantic Forest of Espírito Santo state, Brazil: do mosquitoes, simians and humans harbour the same parasite?

October 31, 2017 - 15:03 -- Open Access
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Author(s): 
Julyana Cerqueira Buery, Priscila Thihara Rodrigues, Crispim Cerutti Jr., et al.
Reference: 
Malaria Journal 2017 16:437, 30 October 2017

These findings strengthen support for the hypothesis that in the Atlantic Forest, and especially in the state with the highest frequency of bromeliad-malaria in Brazil, parasites with similar molecular backgrounds are shared by humans and simians.

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Socioeconomic and demographic characterization of an endemic malaria region in Brazil by multiple correspondence analysis

October 4, 2017 - 16:09 -- Open Access
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Author(s): 
Raquel M. Lana, Thais I. S. Riback, Cláudia T. Codeço, et al.
Reference: 
Malaria Journal 2017 16:397, 2 October 2017

Living conditions in the study area are strongly geographically structured.

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