Climate Change and Vector-borne Diseases: An Economic Impact Analysis of Malaria in Africa
2011

Climate Change and Malaria in Africa

Sample size: 25 publication 10 minutes Evidence: moderate

Author Information

Author(s): Egbendewe-Mondzozo Aklesso, Musumba Mark, McCarl Bruce A., Wu Ximing

Primary Institution: Michigan State University

Hypothesis

How do climatic factors influence malaria cases and treatment costs in African countries?

Conclusion

The study found that climate change significantly affects malaria cases and treatment costs in many African countries, with varying impacts across different regions.

Supporting Evidence

  • Malaria cases are significantly influenced by climate factors in most of the countries studied.
  • The cost of malaria treatment is projected to increase in most of the countries studied.
  • Socio-economic factors such as GDP and healthcare expenditure significantly reduce malaria cases.
  • Some countries may see their inpatient treatment costs of malaria increase more than 20% under minimal climate change scenarios.

Takeaway

This study shows that changes in weather can make malaria more common in some places and less common in others, which can also make it more expensive to treat.

Methodology

A semi-parametric econometric model was used to analyze the relationship between malaria cases and climatic factors in 25 African countries from 1990 to 2000.

Potential Biases

Potential measurement errors in malaria case reporting and the assumption of linear relationships in some analyses may introduce bias.

Limitations

The study assumes homogeneity in temperature and precipitation across regions within each country and does not account for potential changes in disease response to climatic factors.

Participant Demographics

Data from 25 African countries were analyzed, focusing on malaria cases per 1,000 people.

Statistical Information

Confidence Interval

95%

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/ijerph8030913

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication