Medical Microbiology Department, College of Health Sciences, Benue State University, Makurdi;
Medical Microbiology Department, Jos University Teaching Hospital, Jos;
Medical Microbiology Department, Jos University Teaching Hospital, Jos;
Haematology Department, Jos University Teaching Hospital, Jos;
4Medical Microbiology Department, University of Uyo;
Haematology Department, Jos University Teaching Hospital, Jos;
4Medical Microbiology Department, University of Uyo;