Dorcas Yole3, Mokua John Mose*1, Helen Kutima2, Rebecca Waihenya2,, *1Department of Medical Laboratory Science, School of Medicine and Health Sciences, Kenya Methodist University, Nairobi, Kenya. 2Department of Zoology, Faculty of Science, Jomo Kenyatta University of Agriculture and Technology, P.O. Box 62000-00200, Nairobi, Kenya. 3Department of Biological sciences, Kenya Polytechnic University College, P.O Box 52428-00200 Nairobi, Kenya, Kenya