P.Gichohi2., Karioki Jane.W4, Kibebe, Herbert W1*., Gathumbi Peter K2. Kigondu Christine S3., Mbuthia, 1Department of Medical Laboratory Sciences, School of Medicine & Health Sciences, Kenya Methodist University, P.O Box 267, Meru Kenya 2Department of Veterinary Pathology, Microbiology and Parasitology, Faculty of Veterinary Medicine, College of Agriculture and Veterinary Sciences, University of Nairobi, P.O Box 29053 – 00625 Nairobi, Kenya 3Department of Human Pathology, University of Nairobi P.O Box 19676, Nairobi, Kenya 4Kenyatta National Hospital, Nairobi, Kenya, Kenya