An updated atlas of human helminth infections: the example of East Africa

被引:124
作者
Brooker, Simon [1 ,2 ]
Kabatereine, Narcis B. [3 ]
Smith, Jennifer L. [1 ]
Mupfasoni, Denise [4 ]
Mwanje, Mariam T. [5 ]
Ndayishimiye, Onesime [6 ]
Lwambo, Nicholas J. S. [7 ]
Mbotha, Deborah [2 ]
Karanja, Peris [2 ]
Mwandawiro, Charles [8 ]
Muchiri, Eric [4 ]
Clements, Archie C. A. [9 ]
Bundy, Donald A. P. [10 ]
Snow, Robert W. [2 ,11 ]
机构
[1] London Sch Hyg & Trop Med, Dept Infect & Trop Med, London, England
[2] Kenya Med Res Inst KEMRI, Wellcome Trust Res Programme, Nairobi, Kenya
[3] Uganda Minist Hlth, Vector Control Div, Kampala, Uganda
[4] Access Project, Neglected Trop Dis Control Programme, Kigali, Rwanda
[5] Kenya Minist Hlth, Div Vector Borne Dis, Nairobi, Kenya
[6] Projet Malad Trop Negligees, Bujumbura, Burundi
[7] Natl Inst Med Res, Mwanza, Tanzania
[8] KEMRI, Eastern & So Africa Ctr Int Parasite Control, Nairobi, Kenya
[9] Univ Queensland, Sch Populat Hlth, Brisbane, Qld 4072, Australia
[10] World Bank, Human Dev Network, Washington, DC 20433 USA
[11] Univ Oxford, Ctr Trop Med, Oxford OX1 2JD, England
来源
INTERNATIONAL JOURNAL OF HEALTH GEOGRAPHICS | 2009年 / 8卷
基金
英国惠康基金;
关键词
SCHISTOSOMA-MANSONI; SPATIAL-ANALYSIS; CONTROL PROGRAM; COTE-DIVOIRE; UGANDA; EPIDEMIOLOGY; SCHOOLCHILDREN; RISK; HAEMATOBIUM; POPULATION;
D O I
10.1186/1476-072X-8-42
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Background: Reliable and updated maps of helminth (worm) infection distributions are essential to target control strategies to those populations in greatest need. Although many surveys have been conducted in endemic countries, the data are rarely available in a form that is accessible to policy makers and the managers of public health programmes. This is especially true in sub-Saharan Africa, where empirical data are seldom in the public domain. In an attempt to address the paucity of geographical information on helminth risk, this article describes the development of an updated global atlas of human helminth infection, showing the example of East Africa. Methods: Empirical, cross-sectional estimates of infection prevalence conducted since 1980 were identified using electronic and manual search strategies of published and unpublished sources. A number of inclusion criteria were imposed for identified information, which was extracted into a standardized database. Details of survey population, diagnostic methods, sample size and numbers infected with schistosomes and soil-transmitted helminths were recorded. A unique identifier linked each record to an electronic copy of the source document, in portable document format. An attempt was made to identify the geographical location of each record using standardized geolocation procedures and the assembled data were incorporated into a geographical information system. Results: At the time of writing, over 2,748 prevalence surveys were identified through multiple search strategies. Of these, 2,612 were able to be geolocated and mapped. More than half (58%) of included surveys were from grey literature or unpublished sources, underlining the importance of reviewing in-country sources. 66% of all surveys were conducted since 2000. Comprehensive, countrywide data are available for Burundi, Rwanda and Uganda. In contrast, information for Kenya and Tanzania is typically clustered in specific regions of the country, with few records from areas with very low population density and/or environmental conditions which are unfavourable for helminth transmission. Information is presented on the prevalence and geographical distribution for the major helminth species. Conclusion: For all five countries, the information assembled in the current atlas provides the most reliable, up-to-date and comprehensive source of data on the distribution of common helminth infections to guide the rational implementation of control efforts.
引用
收藏
页数:11
相关论文
共 61 条
[1]   HELMINTH INFECTIONS OF HUMANS - MATHEMATICAL-MODELS, POPULATION-DYNAMICS, AND CONTROL [J].
ANDERSON, RM ;
MAY, RM .
ADVANCES IN PARASITOLOGY, 1985, 24 :1-101
[2]  
[Anonymous], 2002, WHO TECHNICAL REPORT
[3]   Development of a GIS-based, real-time Internet mapping tool for rabies surveillance [J].
Blanton J.D. ;
Manangan A. ;
Manangan J. ;
Hanlon C.A. ;
Slate D. ;
Rupprecht C.E. .
International Journal of Health Geographics, 5 (1)
[4]   The influence of sampling effort and the performance of the Kato-Katz technique in diagnosing Schistosoma mansoni and hookworm co-infections in rural Cote d'Ivoire [J].
Booth, M ;
Vounatsou, P ;
N'Goran, EK ;
Tanner, M ;
Utzinger, J .
PARASITOLOGY, 2003, 127 :525-531
[5]  
Bradley D J, 1967, East Afr Med J, V44, P193
[6]   Towards an atlas of human helminth infection in sub-Saharan Africa: The use of geographical information systems (GIS) [J].
Brooker, S ;
Rowlands, M ;
Haller, L ;
Savioli, L ;
Bundy, DAP .
PARASITOLOGY TODAY, 2000, 16 (07) :303-307
[7]   Spatial analysis of the distribution of intestinal nematode infections in Uganda [J].
Brooker, S ;
Kabatereine, NB ;
Tukahebwa, EM ;
Kazibwe, F .
EPIDEMIOLOGY AND INFECTION, 2004, 132 (06) :1065-1071
[8]  
Brooker S., 2003, Southeast Asian Journal of Tropical Medicine and Public Health, V34, P24
[9]   Global epidemiology, ecology and control of soil-transmitted helminth infections [J].
Brooker, S. ;
Clements, A. C. A. ;
Bundy, D. A. P. .
ADVANCES IN PARASITOLOGY, VOL 62: GLOBAL MAPPING OF INFECTIOUS DISEASES: METHODS, EXAMPLES AND EMERGING APPLICATIONS, 2006, 62 :221-261
[10]  
BROOKER S, 2009, PARASITOLOG IN PRESS