Integrated urban malaria control: a case study in dar es salaam, Tanzania.

The rapid growth of cities in sub-Saharan Africa, much of it driven by rural-urban migration, is associated with complex transformations of these ecosystems and an intricate set of challenges for malaria control. Urban malaria transmission is substantially less intense and much more focal than in rural and peri-urban settings. However, the danger of epidemics is higher and the presence of substantial non-immune populations places people of all ages at comparable levels of risk. The limited number of breeding sites in urban centers suggests that prevention strategies based on vector control, with emphasis on environmental management, should be a central feature of urban malaria control programs. We focus on malaria in the city of Dar es Salaam, Tanzania. Following a brief review of the 100-year history of malaria control in this urban center, we describe and evaluate a control program that operated from 1988 to 1996 as a consequence of a bilateral agreement between the governments of Tanzania and Japan. We present an innovative urban malaria risk mapping methodology based on high-resolution aerial photography with ground-based validation. This strategy clarifies that remote sensing technology at a level of resolution of one meter is essential if this kind of information is to play a role in guiding the detailed specification of intervention strategies for urban malaria control. The Tanzania-Japan multiple-intervention malaria control program, adaptively implemented over time, is described and evaluated with implications for urban malaria control in sub-Saharan Africa more generally.

[1]  J. Beier,et al.  Malaria transmission in urban sub-Saharan Africa. , 2003, The American journal of tropical medicine and hygiene.

[2]  P M Atkinson,et al.  Linking remote sensing, land cover and disease. , 2000, Advances in parasitology.

[3]  A. Orenstein CONTRIBUTION TO THE STUDY OF THE VALUE OF QUININIZATION IN THE ERADICATION OF MALARIA , 1914 .

[4]  J. Briggs,et al.  Peri-urban Development in an Era of Structural Adjustment in Africa: The City of Dar es Salaam, Tanzania , 2000 .

[5]  Peter M. Atkinson,et al.  Choosing an appropriate spatial resolution for remote sensing investigations , 1997 .

[6]  G. Killeen,et al.  Advantages of larval control for African malaria vectors: Low mobility and behavioural responsiveness of immature mosquito stages allow high effective coverage , 2002, Malaria Journal.

[7]  J. Sachs,et al.  The economic and social burden of malaria , 2002, Nature.

[8]  S. Hay,et al.  Annual Plasmodium falciparum entomological inoculation rates (EIR) across Africa: literature survey, Internet access and review. , 2000, Transactions of the Royal Society of Tropical Medicine and Hygiene.

[9]  A. Mills,et al.  Financial and economic aspects of environmental management for vector control. , 1987, Parasitology today.

[10]  M. Tanner,et al.  An estimation of the entomological inoculation rate for Ifakara: a semi‐urban area in a region of intense malaria transmission in Tanzania , 2003, Tropical medicine & international health : TM & IH.

[11]  Thomas A. Smith,et al.  Urbanization in sub-saharan Africa and implication for malaria control. , 2004, The American journal of tropical medicine and hygiene.

[12]  Arthur Jh Malaria and its control. , 1954 .

[13]  D. Phillips,et al.  Urbanization and human health , 1993, Parasitology.

[14]  R. Tonn,et al.  Integrated control of urban mosquitoes in Dar es Salaam using community sanitation supplemented by larviciding. , 1975, East African medical journal.

[15]  Clyde Df Malaria control in Tanganyika under the German Administration. I. E. , 1961 .

[16]  Z. Premji,et al.  Acridine Orange for malaria diagnosis: its diagnostic performance, its promotion and implementation in Tanzania, and the implications for malaria control , 2002, Annals of tropical medicine and parasitology.

[17]  S. Lindsay,et al.  Reducing malaria by mosquito-proofing houses. , 2002, Trends in parasitology.

[18]  J. Trape Malaria and urbanization in central Africa: the example of Brazzaville. Part I: Description of the town and review of previous surveys. , 1987, Transactions of the Royal Society of Tropical Medicine and Hygiene.

[19]  J. Botella de Maglia,et al.  [Prevention of malaria]. , 1999, Revista clinica espanola.

[20]  J. Utzinger,et al.  The economic payoffs of integrated malaria control in the Zambian copperbelt between 1930 and 1950 , 2002, Tropical medicine & international health : TM & IH.

[21]  L. R. Beck,et al.  Perspectives Perspectives Perspectives Perspectives Perspectives Remote Sensing and Human Health: New Sensors and New Opportunities , 2022 .

[22]  J. Trape,et al.  Malaria and urbanization in central Africa: the example of Brazzaville. Part III: Relationships between urbanization and the intensity of malaria transmission. , 1987, Transactions of the Royal Society of Tropical Medicine and Hygiene.

[23]  Gina Brown,et al.  Implementation of the global malaria control strategy: World Health Organization. Technical Report Series 839. World Health Organization, Switzerland, 1993. 57 + v pp., Sw. fr. 10.00 — Developing Countries Sw. fr. 7.00. ISBN 92-4-120839-2 , 1994 .

[24]  C. Rogier,et al.  Combating malaria in Africa. , 2002, Trends in parasitology.

[25]  K. Mendis,et al.  Spatial targeting of interventions against malaria. , 2000, Bulletin of the World Health Organization.

[26]  A. Knudsen,et al.  Vector-borne disease problems in rapid urbanization: new approaches to vector control. , 1992, Bulletin of the World Health Organization.

[27]  The Prevention of Malaria in the Federated Malay States: A Record of Twenty Years' Progress , 1922, Nature.