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- Epidemiology, Molecular Biology and drug resistance Plasmodium sp.
- The epidemiology, Biology and molecular characteristic of Cryptosporidium sp.
- Biochemistry and medicinal use of natural products.
- Chronic diseases
- Title of Main Research Projects : Epidemiology and Molecular Characterization of Cryptosporidium Species among Children and HIV Infected Individuals in the North Rift Region of Kenya