Reemergence of Epidemic Malaria in the Highlands of Western Kenya
Author Information
Author(s): M. A. Malakooti, K. Biomndo, G. D. Shanks
Primary Institution: University of the Health Sciences, Bethesda, Maryland, USA
Hypothesis
Is the increase in malaria incidence in the highlands of western Kenya due to local transmission or imported cases?
Conclusion
The study documents the reemergence of recurrent epidemic malaria due to local transmission in the highlands of western Kenya.
Supporting Evidence
- Hospital records showed malaria epidemics almost annually from May to July.
- 32% of deaths in hospitalized patients were caused by malaria.
- Only 8% of hospitalized patients had traveled to an area with known malaria transmission before diagnosis.
- Malaria was diagnosed in approximately 50% of company health-care beneficiaries each year.
Takeaway
Malaria is coming back in the highlands of Kenya because local mosquitoes are spreading it, not just from travelers bringing it in.
Methodology
The study used retrospective hospital records and a questionnaire survey of hospitalized malaria patients.
Potential Biases
Potential bias in self-reported travel history of patients.
Limitations
The study may not account for all factors influencing malaria transmission, such as changes in healthcare infrastructure.
Participant Demographics
48% female, 52% male, mean age 13.2 years, with 20% being tea company employees and 80% dependents.
Statistical Information
P-Value
0.4
Confidence Interval
0.29 to 0.57
Statistical Significance
p<0.05
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