Affiliation: | 1. Department of Medicine, University of Nigeria Teaching Hospital, Ituku/Ozalla, Enugu, Nigeria;2. Department of Community Medicine, University of Nigeria Teaching Hospital, Ituku/Ozalla, Enugu, Nigeria;3. Department of Medical Microbiology, University of Nigeria Teaching Hospital, Ituku/Ozalla, Enugu, Nigeria;4. Nigeria Centre for Disease Control and Prevention, Abuja, Nigeria;5. Institute of Lassa Fever Research and Control, Irrua Specialist Hospital, Irrua, Edo State, Nigeria |