... details1Department of Medical Laboratory Technology, College of Medicine andHealth Sciences, University of Gondar, Gondar, Ethiopia.2Department of Microbiology, Immunology and Parasitology, College of Medicine ... College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia.5Institute of Clinical Immunology, Faculty of Medicine, University of Leipzig,Leipzig, Germany.6Institute of Medical ... Microbiology and Epidemiology of Infectious diseases, Faculty of Medicine, University of Leipzig, Leipzig,Germany.7Fraunhofer Institute for Cell Therapy and Immunology, Leipzig,Germany.Authors’ contributionsBT...