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Int J Environ Res Public Health. 2011 Mar;8(3):913-30. doi: 10.3390/ijerph8030913. Epub 2011 Mar 23.

Climate change and vector-borne diseases: an economic impact analysis of malaria in Africa.

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Department of Agricultural, Food, and Resource Economics, Michigan State University, 86 Agriculture Hall, East Lansing, MI 48824, USA.


A semi-parametric econometric model is used to study the relationship between malaria cases and climatic factors in 25 African countries. Results show that a marginal change in temperature and precipitation levels would lead to a significant change in the number of malaria cases for most countries by the end of the century. Consistent with the existing biophysical malaria model results, the projected effects of climate change are mixed. Our model projects that some countries will see an increase in malaria cases but others will see a decrease. We estimate projected malaria inpatient and outpatient treatment costs as a proportion of annual 2000 health expenditures per 1,000 people. We found that even under minimal climate change scenario, some countries may see their inpatient treatment cost of malaria increase more than 20%.


cost of malaria treatment; malaria and climate change; semi-parametric modeling

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