Spatial malaria epidemiology in Bangladeshi highlands

Haque, Ubydul; Huda, M. Mamun; Hossain, Awlad; Ahmed, Syed Masud; Moniruzzaman, Mohammad; Haque, Rashidul

doi:10.1186/1475-2875-8-185

Cited by 38 publications

(29 citation statements)

References 16 publications

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“…This finding may have been caused by community malaria detection, treatment, and control initiatives implemented by BRAC and other non-government organizations through the Government of Bangladesh/GFATM. 11,46 It could also be because we had study sites in only two of the designated malaria-endemic areas. 8 We detected two malaria cases in a malaria-endemic area and an additional case who had traveled to a malariaendemic area.…”

Section: Discussionmentioning

confidence: 99%

“…The FalciVax™ test detected Plasmodium falciparum -specific antigen, P. falciparumspecific histidine-rich protein-2, P. vivax -specific antigen, and P. vivax -specific pan-lactate dehydrogenase from the blood samples and differentiated P. vivax from P. falciparum . The World Health Organization recommends using rapid test kits in malaria-endemic countries 11 and FalciVax™ had both sensitivity and specificity of more than 92%. 12 The test kit was highly sensitive for P. falciparum at high and low parasite densities of 200-5,000 parasites/µL and for P. vivax at higher densities of 2,000-5,000 parasites/µL.…”

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confidence: 99%

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Hospital-Based Prevalence of Malaria and Dengue in Febrile Patients in Bangladesh

Faruque

Zaman

Alamgir³

et al. 2012

The American Journal of Tropical Medicine and Hygiene

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Acknowledgments: We thank the head of the departments of medicine and pediatric units of the participating hospitals for their consistent support; the surveillance physicians and field assistants for their continuous effort in collecting data; Abdur Rouf Siddique and Md. Zakaria Hossain for providing technical support for sample collection throughout the study; Dorothy Southern for her guidance in writing and reviewing the drafts; and M. Abu Yushuf Sharker for his statistical support in data analysis.

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

Hospital-Based Prevalence of Malaria and Dengue in Febrile Patients in Bangladesh

Faruque

Zaman

Alamgir³

et al. 2012

The American Journal of Tropical Medicine and Hygiene

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“…One often neglected outcome of such urban expansion is heightened disease risk as human populations encroach closer to natural mosquito breeding habitats. For example, an increased risk of malaria in Africa (Staedke et al 2003, Midega et al 2012 and Asia (Haque et al 2009) has been demonstrated with decreasing distance to mosquito breeding habitats; living in a residence located within 100 meters from one or more tree hole breeding sites was demonstrated to be associated with almost four times greater risk of La Crosse encephalitis infection in eastern Tennessee (Erwin et al 2002); and areas in southeast Queensland with a greater proportion of wetlands and native vegetation and levels of adult mosquito activity have been associated with higher rates of Ross River virus (RRV; Togaviridae: Alphavirus) (Muhar et al 2000, Ryan et al 2006, Hu et al 2010. These studies exemplify the risks associated with living in proximity to sources of vector populations.…”

Section: Introductionmentioning

confidence: 99%

Proximity to Mosquito Breeding Habitat and Ross River Virus Risk in the Peel Region of Western Australia

JardineAndrew

NevillePeter

LindsayMichael

2015

Vector-Borne and Zoonotic Diseases

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It is intuitive that vector-borne disease exposure risk is related to proximity to sources of vector breeding, but this aspect rarely receives empirical testing. The population of Western Australia (WA) is increasing rapidly, with many new residential developments proposed in close proximity to mosquito breeding habitat. However, potential mosquito-borne disease risks for future residents are given little consideration by planning authorities. The Peel region is one of the fastest growing regions in WA and regularly experiences a large number of cases of the mosquito-borne Ross River virus (RRV) disease with epidemics occuring in the region every few years. A spatial analysis of RRV disease data in the Peel region was undertaken to determine the risk associated with proximity to a mosquito breeding habitat. Geographic Information Systems (GIS) software was used to create buffers between 1 and 6 km from the breeding habitat. The number of cases per 1000 dwellings in each buffer was calculated between 2002/03 to 2011/12 for years with >100 cases across all buffers (n=5) in addition to the cumulative rate over the entire period in each buffer. Residents living within 1 km of a mosquito breeding habitat had a significantly higher rate of RRV disease compared to the background rate across the Peel region in all individual years investigated. The cumulative data over the 10-year study period showed that residents in the 1- and 2-km buffers had a significantly higher rate, whereas those living between 3 and 6 km away did not. This study demonstrates an increased mosquito-borne disease risk associated with living in close proximity to a mosquito breeding habitat in a rapidly expanding region of WA and highlights the importance of considering mosquito-borne disease risks when planning authorities assess new residential development applications. Known mosquito breeding wetlands should be incorporated into land use planning scheme maps to ensure that they are accurately delineated and the implications are considered when planning decisions are made.

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“…4 Virtually all malaria infections were previously attributed either to P. falciparum or P. vivax . [5][6][7][8] Recent surveillance studies based on the diagnosis with rapid diagnostic tests (RDTs) indicate P. falciparum as the dominant species in malariaendemic districts of Bangladesh with a country-wide prevalence of 3.58% (compared with only 0.21% for P. vivax ). 9 The existence of infections with P. malariae with a prevalence of 1% in Bangladesh was first reported from a study conducted in the Chittagong Hill Tracts.…”

Section: Introductionmentioning

confidence: 99%

Indigenous Plasmodium ovale Malaria in Bangladesh

Fuehrer

Starzengrüber²,

Swoboda³

et al. 2010

The American Journal of Tropical Medicine and Hygiene

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Abstract. In spite of the high prevalence of malaria in Southeastern Bangladesh, there remains a significant shortage of information regarding the presence of three of five human malaria parasites: Plasmodium ovale , P. malariae , and P. knowlesi . The presence of P. ovale and P. knowlesi has previously never been reported from Bangladesh. We used a genusand species-specific nested polymerase chain reaction, targeting highly conserved regions of the small subunit ribosomal RNA (SSU rRNA) gene, to investigate the presence of malaria parasites in a total number of 379 patient samples in a survey of patients with febrile illnesses in the Chittagong Hill Tracts in Southeastern Bangladesh. We identified the first cases of P. ovale in Bangladesh. They were confirmed by sequence analysis; 189 of 379 samples (49.9%; 95% confidence interval = 44.9-54.9%) were positive for Plasmodium sp. by PCR. P. falciparum monoinfections accounted for 68.3% (61.3-74.5%), followed by P. vivax (15.3%; 10.9-21.2%), P. malariae (1.6%; 0.5-4.6%), P. ovale (1.6%; 0.5-4.6%), and mixed infections (13.2%; 9.1-18.8%). We found no evidence of P. knowlesi in this region.

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Spatial malaria epidemiology in Bangladeshi highlands

Abstract: Background: Malaria is a major public health burden in the south-eastern part of Bangladesh, particularly in the Chittagong Hill Tracts region. In 2007, BRAC and ICDDR,B carried out a malaria prevalence survey in the endemic regions including the Khagrachari District.

Cited by 38 publications

References 16 publications

Hospital-Based Prevalence of Malaria and Dengue in Febrile Patients in Bangladesh

Hospital-Based Prevalence of Malaria and Dengue in Febrile Patients in Bangladesh

Proximity to Mosquito Breeding Habitat and Ross River Virus Risk in the Peel Region of Western Australia

Indigenous Plasmodium ovale Malaria in Bangladesh

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