Affiliation: Division of Microbiology and Infectious Diseases, Department of Microbial, Cellular and Molecular Biology, Addis Ababa University, Addis Ababa, P. O. Box: 1176, Ethiopia.
Affiliation: Division of Microbiology and Infectious Diseases, Department of Microbial, Cellular and Molecular Biology, Addis Ababa University, Addis Ababa, P. O. Box: 1176, Ethiopia.
Affiliation: Division of Microbiology and Infectious Diseases, Department of Microbial, Cellular and Molecular Biology, Addis Ababa University, Addis Ababa, P. O. Box: 1176, Ethiopia.