Contact address Department of Medical Microbiology, University of Nairobi. P.O. Box 19676-00202 Nairobi, Kenya. E-mail: julias.oyugi9@gmail.com

Address: P.O Box 19676, Nairobi, Kenya Phone: 254 –020-2724639 Nairobi (Office); 254-020-890601(house) Mobile: 254 -0722-955 230 E-mail: Jolenja@uonbi.ac.ke Jolenja@yahoo.com;