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- Title
Impact of Irrigation Extension on Malaria Transmission in Simret, Tigray, Ethiopia.
- Authors
Bonhee Chung
- Abstract
Poor subsistence farmers who live in a semi-arid area of northern Ethiopia build irrigation systems to overcome water shortages. However, there is a high risk of malaria transmission when increased standing water provides more favorable habitats for mosquito breeding. This is a serious problem because there are many barriers to malaria control measures and health care systems in the area. Using a causal loop diagram and computer simulations, the author attempted to visually illustrate positive and negative feedbacks between mosquito and human populations in the context of Simret, which is a small village located in northern Ethiopia and is generally considered a malaria-free area. The simulation results show that the number of infectious mosquitos increases to 17,215 at its peak, accounting for 3.5% of potentially dangerous mosquitos. At the same time, the number of sick people increases to 574 at its peak, accounting for 15% of local population. The malaria outbreak is controlled largely because of a fixed number of vulnerable people or local population that acts as an intermediate host.
- Subjects
TIGRAY Kifle Hager (Ethiopia); MALARIA transmission; IRRIGATION; FARMERS; HOSTS (Biology); DISEASES
- Publication
Korean Journal of Parasitology, 2016, Vol 54, Issue 4, p399
- ISSN
0023-4001
- Publication type
Article
- DOI
10.3347/kjp.2016.54.4.399