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Malaria case management and elimination readiness in health facilities of five districts of Madagascar in 2018

October 6, 2020 - 12:42 -- Open Access
Anjoli Anand, Rachel Favero, Jean-Pierre Rakotovao, et al.
Malaria Journal 2020 19:351, 1 October 2020

Madagascar’s Malaria National Strategic Plan 2018–2022 calls for progressive malaria elimination beginning in low-incidence districts (< 1 case/1000 population). Optimizing access to prompt diagnosis and quality treatment and improving outbreak detection and response will be critical to success. A malaria elimination readiness assessment (MERA) was performed in health facilities (HFs) of selected districts targeted for malaria elimination.

Variation in Anopheles distribution and predictors of malaria infection risk across regions of Madagascar

October 1, 2020 - 15:28 -- Open Access
Nicholas J. Arisco, Benjamin L. Rice, Luciano M. Tantely, Romain Girod, Gauthier N. Emile, Hervet J. Randriamady, Marcia C. Castro and Christopher D. Golden
Malaria Journal 2020 19:348, 29 September 2020

Deforestation and land use change is widespread in Madagascar, altering local ecosystems and creating opportunities for disease vectors, such as the Anopheles mosquito, to proliferate and more easily reach vulnerable, rural populations. Knowledge of risk factors associated with malaria infections is growing globally, but these associations remain understudied across Madagascar’s diverse ecosystems experiencing rapid environmental change. This study aims to uncover socioeconomic, demographic, and ecological risk factors for malaria infection across regions through analysis of a large, cross-sectional dataset.

Differential contribution of Anopheles coustani and Anopheles arabiensis to the transmission of Plasmodium falciparum and Plasmodium vivax in two neighbouring villages of Madagascar

August 27, 2020 - 08:17 -- Open Access
Goupeyou-Youmsi J, Rakotondranaivo T, Puchot N, Peterson I, Girod R, Vigan-Womas I, Paul R, Ndiath MO, Bourgouin C
Parasit Vectors. 2020 Aug 26;13(1):430

Malaria is still a heavy public health concern in Madagascar. Few studies combining parasitology and entomology have been conducted despite the need for accurate information to design effective vector control measures. In a Malagasy region of moderate to intense transmission of both Plasmodium falciparum and P. vivax, parasitology and entomology have been combined to survey malaria transmission in two nearby villages.

School-based sero-surveys to assess the validity of using routine health facility data to target malaria interventions in the Central Highlands of Madagascar

August 10, 2020 - 15:07 -- Open Access
Steinhardt L, Ravaoarisoa E, Vigan-Womas I, et al.
J Infect Dis. 2020 Aug 6:jiaa476

In low-malaria-transmission areas of Madagascar, annual parasite incidence (API) from routine data has been used to target indoor residual spraying at sub-district commune levels. To assess validity of this approach, we conducted school-based serological surveys and health facility (HF) data quality assessments in seven districts to compare API to “gold-standard” commune-level serological measures.

Field assessment of 4-hydroxycoumarin as an attractant for anthropophilic Anopheles spp. vectors of malaria in Madagascar

February 25, 2020 - 16:27 -- Open Access
Andrianjafy TM, Ramanandraibe VV, Andrianarijaona ET, Ramarosandratana NH, Ravaomanarivo LH, Mavingui P, Lemaire M
Sci Rep. 2020 Feb 20;10(1):3048

Mosquito-borne diseases like malaria are a major public health problem in tropical countries, such as Madagascar. Female Anopheles mosquito vectors the human malaria parasites (Plasmodium spp.) and is important indicator in malaria surveillance activities. Among the various means of vector control in Madagascar, the use of attractants for mass trapping of target species could be an alternative to insecticides.

Mapping malaria seasonality in Madagascar using health facility data

February 14, 2020 - 16:54 -- Open Access
Nguyen M, Howes RE, Weiss DJ, et al.
BMC Med. 2020 Feb 10; 18(1):26

Many malaria-endemic areas experience seasonal fluctuations in case incidence as Anopheles mosquito and Plasmodium parasite life cycles respond to changing environmental conditions. Identifying location-specific seasonality characteristics is useful for planning interventions. While most existing maps of malaria seasonality use fixed thresholds of rainfall, temperature, and/or vegetation indices to identify suitable transmission months, we construct a statistical modelling framework for characterising the seasonal patterns derived directly from monthly health facility data.

Update to: A stakeholder workshop about modelled maps of key malaria indicator survey indicators in Madagascar

January 15, 2020 - 14:31 -- Open Access
Rosalind E. Howes, Kaleem Hawa, et al.
Malaria Journal 2020 19:13, 9 January 2020

Following publication of the original article [1], the authors expressed their wish to provide a French version of the article.

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