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Inference of malaria reproduction numbers in three elimination settings by combining temporal data and distance metrics

July 20, 2021 - 14:01 -- Open Access
Routledge I, Unwin HJT, Bhatt S
Sci Rep. 2021 Jul 14;11(1):14495

Individual-level geographic information about malaria cases, such as the GPS coordinates of residence or health facility, is often collected as part of surveillance in near-elimination settings, but could be more effectively utilised to infer transmission dynamics, in conjunction with additional information such as symptom onset time and genetic distance. However, in the absence of data about the flow of parasites between populations, the spatial scale of malaria transmission is often not clear. As a result, it is important to understand the impact of varying assumptions about the spatial scale of transmission on key metrics of malaria transmission, such as reproduction numbers. We developed a method which allows the flexible integration of distance metrics (such as Euclidian distance, genetic distance or accessibility matrices) with temporal information into a single inference framework to infer malaria reproduction numbers.

Analysing human population movement data for malaria control and elimination

July 7, 2021 - 08:00 -- Open Access
Greta Tam, Benjamin J. Cowling and Richard J. Maude
Malaria Journal 2021 20:294, 30 June 2021

Human population movement poses a major obstacle to malaria control and elimination. With recent technological advances, a wide variety of data sources and analytical methods have been used to quantify human population movement (HPM) relevant to control and elimination of malaria.

Implementation and success factors from Thailand’s 1-3-7 surveillance strategy for malaria elimination

April 28, 2021 - 15:52 -- Open Access
Cheewanan Lertpiriyasuwat, Prayuth Sudathip, Preecha Prempree, et al.
Malaria Journal 2021 20:201, 27 April 2021

Thailand’s National Malaria Elimination Strategy 2017–2026 introduced the 1-3-7 strategy as a robust surveillance and response approach for elimination that would prioritize timely, evidence-based action. Under this strategy, cases are reported within 1 day, cases are investigated within 3 days, and foci are investigated and responded to within 7 days, building on Thailand’s long history of conducting case investigation since the 1980s. However, the hallmark of the 1-3-7 strategy is timeliness, with strict deadlines for reporting and response to accelerate elimination.

From 30 million to zero malaria cases in China: lessons learned for China-Africa collaboration in malaria elimination

April 22, 2021 - 08:27 -- Open Access
Chen JH, Fen J, Zhou XN
Infect Dis Poverty. 2021 Apr 20;10(1):51

Malaria was once one of the most serious public health problems in China, with more than 30 million malaria cases annually before 1949. However, the disease burden has sharply declined and the epidemic areas has shrunken after the implementation of an integrated malaria control and elimination strategy, especially since 2000.

Effects of rainfall, temperature and topography on malaria incidence in elimination targeted district of Ethiopia

February 23, 2021 - 14:12 -- Open Access
Desalegn Dabaro, Zewdie Birhanu, Abiyot Negash, Dawit Hawaria and Delenasaw Yewhalaw
Malaria Journal 2021 20:104, 19 February 2021

Climate and environmental factors could be one of the primary factors that drive malaria transmission and it remains to challenge the malaria elimination efforts. Hence, this study was aimed to evaluate the effects of meteorological factors and topography on the incidence of malaria in the Boricha district in Sidama regional state of Ethiopia.

Assessment of ASHA for knowledge, diagnosis and treatment on malaria in Mandla district of Madhya Pradesh as part of the malaria elimination demonstration project

February 10, 2021 - 09:56 -- Open Access
Harsh Rajvanshi, Kalyan B. Saha, Altaf A. Lal, et al.
Malaria Journal 2021 20:78, 8 February 2021

The role of Accredited Social Health Activist (ASHA) in the health care delivery services at the periphery level is crucial for achieving disease prevention, control and elimination goals. The objective of the study was to assess the knowledge, attitude, practices, priorities and capability of ASHA related to malaria diagnosis and treatment as part of the Malaria Elimination Demonstration Project in 1233 villages of district Mandla, Madhya Pradesh.

Not Open Access | Surveillance-based estimation of the malaria disease burden in a low endemic state of Punjab, India, targeted for malaria elimination

February 8, 2021 - 10:20 -- NOT Open Access
Kaur J, Kaura T, Sharma A, Kumar A, Pangotra MK, Upadhyay AK, Anvikar A, Grover GS, Chaturvedi HK, Sharma SK
Trans R Soc Trop Med Hyg. 2021 Feb 4

The state of Punjab in India qualifies for malaria elimination because the number of cases reported through routine surveillance is in decline. However, surveillance system prevalence mainly provides malaria trends. Therefore, a prospective epidemiological study was designed to estimate the malaria burden in the state.

Strategies for malaria elimination: an Afro-Colombian perspective

November 19, 2020 - 13:00 -- Open Access
Knudson-Ospina A, Barreto-Zorza YM, Castillo CF, Y Mosquera L, Apráez-Ippolito G, Olaya-Másmela LA, Piamba AH, Sanchez R
Rev Salud Publica (Bogota). 2020 Nov 13;21(1):9-16

To describe strategies for malaria elimination based on the perception of Afro-Colombian residents in Guapi, in the context of the Integrated Management Strategy for the Promotion, Prevention and Control of Vector-Borne Diseases in Colombia (EGI-ETV).

Study design and operational framework for a community-based Malaria Elimination Demonstration Project (MEDP) in 1233 villages of district Mandla, Madhya Pradesh

November 17, 2020 - 13:20 -- Open Access
Harsh Rajvanshi, Praveen K. Bharti, Altaf A. Lal, et al.
Malaria Journal 2020 19:410, 16 November 2020

In the past decade substantial reduction in malaria morbidity and mortality has been observed through well-implemented case management and vector control strategies. India has also achieved a significant reduction in malaria burden in 2018 and has committed to eliminate malaria by 2030. The Mandla Malaria Elimination Demonstration Project (MEDP) was started in 2017 in 1233 villages of District Mandla to demonstrate malaria elimination in a tribal district with hard-to-reach areas was possible using active and passive surveillance, case management, vector control, and targeted information, education and communication campaigns. An operational plan was developed to strengthen the existing surveillance and malaria elimination systems, through fortnightly active case detection to ensure that all cases including those that are introduced into the communities are rapidly identified and treated promptly. The plan also focused on the reduction of human-mosquito contact through the use of Long-Lasting Insecticial Nets (LLINs) and Indoor Residual Spray (IRS). The operational plan was modified in view of the present COVID-19 pandemic by creating systems of assistance for the local administration for COVID-related work while ensuring the operational integrity of malaria elimination efforts.

Reactive Case Detection (RACD) and foci investigation strategies in malaria control and elimination: a review

November 11, 2020 - 14:25 -- Open Access
Ruwanthi Perera, Amandhi Caldera and A. Rajitha Wickremasinghe
Malaria Journal 2020 19:401, 10 November 2020

Reactive case detection (RACD) and foci investigation are key strategies in malaria elimination and prevention of its re-establishment. They are a key part of surveillance that has been recommended by the World Health Organization (WHO) to be considered as a core intervention and as one of the three pillars of the Global Technical Strategy for Malaria 2016–2030.


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