Affiliation: | 1. Department of Internal Medicine, Federal Teaching Hospital Abakaliki, Ebonyi State, Nigeria;2. Department of Community Medicine, Federal Teaching Hospital Abakaliki, Ebonyi State, Nigeria;3. Epidemiology Unit, Ministry of Health, Ebonyi State, Nigeria;4. Institute of Lassa Fever Research and Control, Irrua Specialist Teaching Hospital, Edo State, Nigeria |