My supervisors, Dr. D. Humber and Dr. P. Freeman. Lecturers, UEL.

All the staff in the computer laboratory Stratford Campus. UEL.

Duncan Kennedy. Technician. Parasitology laboratory UEL.

John Williams. Malaria Reference Lab. London School of Hygiene and Tropical Medicine.

Rachel Worsp. Staff nurse. Hospital for Tropical Diseases.

Susan. The Institute of Chinese Medicine.

My family and friends, for being so supportive.