M.N. Alo
Department of Biological Science, Federal University, Ndufu-Alike, Ebonyi State, Nigeria
H.M. Alhassan
Department of Immunology, Usmanu Danfodiyo University, Sokoto, Sokoto State, Nigeria
A.Y. Saidu
Department of Immunology, Usmanu Danfodiyo University, Sokoto, Sokoto State, Nigeria
U.I. Ugah
Department of Medical Laboratory Science, Ebonyi State University, Abakaliki, Ebonyi State, Nigeria
F. A. Umar
Department of Immunology, Usmanu Danfodiyo University, Sokoto, Sokoto State, Nigeria