PLOS NEGLECTED TROPICAL DISEASES RESEARCH ARTICLE The cholera risk assessment in Kano State, Nigeria: A historical review, mapping of hotspots and evaluation of contextual factors 1 2 2 2 Moise Chi NgwaID *, Chikwe Ihekweazu , Tochi OkworID , Sebastian Yennan , 2 3 4 5 Nanpring Williams , Kelly ElimianID , Nura Yahaya Karaye , Imam Wada BelloID , David A. Sack1 1 Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America, 2 Nigeria Centre for Disease Control, Abuja, Nigeria, 3 Department of a1111111111 Microbiology, University of Benin, Nigeria, 4 Department of Public Health and Disease Control, Kano State a1111111111 Ministry of Health, Kano, Nigeria, 5 Department of Public Health and Disease Control, Ministry of Health a1111111111 Kano, Kano, Nigeria a1111111111 a1111111111 *
[email protected] Abstract OPEN ACCESS Nigeria is endemic for cholera since 1970, and Kano State report outbreaks annually with Citation: Ngwa MC, Ihekweazu C, Okwor T, Yennan high case fatality ratios ranging from 4.98%/2010 to 5.10%/2018 over the last decade. How- S, Williams N, Elimian K, et al. (2021) The cholera ever, interventions focused on cholera prevention and control have been hampered by a risk assessment in Kano State, Nigeria: A historical lack of understanding of hotspot Local Government Areas (LGAs) that trigger and sustain review, mapping of hotspots and evaluation of contextual factors. PLoS Negl Trop Dis 15(1): yearly outbreaks. The goal of this study was to identify and categorize cholera hotspots in e0009046. https://doi.org/10.1371/journal. Kano State to inform a national plan for disease control and elimination in the State.