TRYPANOSOMA BRUCEI BRUCEI INFECTION IN RAT MODEL AND POTENTIAL OF URINE AS A DIAGNOSTIC SAMPLE IN LOOP-MEDIATED ISOTHERMAL AMPLIFICATION ASSAY NELSON ONCHIRI JOHN I56/26475/2013 A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE AWARD OF THE DEGREE OF MASTER OF SCIENCE (APPLIED PARASITOLOGY) IN THE SCHOOL OF PURE AND APPLIED SCIENCES OF KENYATTA UNIVERSITY JUNE 2019