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Innovations in the Implementation of Polio Surveillance Enhancement Plan in Oyo State, Nigeria: Key Benefits, Lessons Learned, Challenges and Opportunities

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Health 2022年第4期14卷 442-455页

作者： Enya Bassey Bassey Walter Kazadi Mulomb Ahmed Mohamed Ahmed Khedr Rosemary Ifeoma Onyibe Olufunmilola Olawumi Kolude Oluwadare Marcus Oluwabukola Alawale Oluwatobi Adeoluwa Iyanda Omotunde Ogunlaja Taiwo Olabode Ladipo Maxwell Obeka Adeniyi Ayobami Adeniran oluyinka motunrayo dania Olabumuyi Olubumi Olayide Oluwaseun Opeyemi Oni Moshood Babatunde Busari Faith Ehiaghe Ugba Ayobami Desmond Olatimehin Gbenga Stanley Olayinka Abayomi Oluwasegun Ayinde Chinwe Grace Azuka Olufemi Toheeb Okuneye Ahmed Bello World Health Organization (WHO) Nigeria Country Office Abuja Nigeria Oyo State Emergency Operation Center Ministry of Health Ibadan Nigeria

Background: Nigeria attained the milestone of being certified wild poliovirus free in the year 2020. However, a drop in the key performance indicators of polio surveillance system was across various Local Government Areas (LGAs) in Oyo State. This drop highlighted the need for an innovative way of enhancing polio surveillance in Oyo State. Methods: This study was conducted in four phases and each phase utilized a cross-sectional study design and purposive sampling technique to select eligible LGAs and participants. LGAs that met at least two of the set-out criteria (had not reported at least a case of Acute Flaccid Paralysis (AFP) 12 months preceding the survey, with decline in AFP case detection rate, had not met AFP key indicators, are densely populated, and has an international border) were selected. A concurrent mixed method of data collection was utilized, and quantitative data were collected with a semi-structured questionnaire administered using Computer Assisted Personal Interviews (CAPI) during community active case search, health facility retroactive case search (HFRACS). Qualitative data collection was done through Focus Group Discussion (FGD). Surveillance intensification activities were conducted over eight weeks period. Data were analyzed using Microsoft Excel Software;summarization was done using frequencies and percentages while presentation was done using charts and spot maps. Results: A total of 1277, 49, 259 and 632 settlements, households and health facilities respectively were visited across 24 (73%) LGAs in Oyo State. Of the 150 suspected AFP cases identified, 45 (30%) were rejected cases, 33 (22%) were missed cases and 72 (48%) were true AFP cases. Non-Polio AFP Rate (NP-AFP rate) increased from 2.7 to 6.9 (P Conclusions: Innovative strategies implemented in AFP surveillance across Oyo State have resulted in improvement in AFP surveillance performance indicators in the State. There is therefore the need for dynamic and innovative ways of condu

关键词： Polio-Surveillance-Indicators Enhancement-Plan Innovations AFP-Case-Search

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Epidemiology of Mpox Outbreaks and Implications for Surveillance in Imo State, Nigeria

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Advances in Infectious Diseases 2024年第1期14卷 206-212页

作者： Adeniyi A. Adeniran Ebubechi C. Eronini Olugbenga Asaolu Simisola Adedeji Adaeze Joy Ugwu Marcus Oludare Faith Ehiaghe Ugba Aibinuomo Ayomide Oluwaseyi Tella Adedamola dania oluyinka Olayiwola Olanike Suliat Oladele Tinuola Daniel Musa Haruna Adebayo O. Amao John O. Ibitoye Oluwagbemiga Obembe Christopher Obanubi Abdulmalik Abubakar Department of Public and Allied Health Babcock University Ilishan-Remo Nigeria Department of Public Health University of Suffolk Waterfront Building UK Department of Public Health EUCLID University Greater Bajul The Gambia Department of Public Health Liverpool John Moores University Liverpool UK College of Medicine Obafemi Awolowo University Ile-Ife Nigeria Department of Environmental Health Sciences University of Ibadan Ibadan Nigeria Department of Public Health Texila American University Georgetown Guyana School of Public Health University of Port Harcourt Port Harcourt Nigeria Department of Community Medicine University College Hospital Ibadan Nigeria Department of Nursing Adeleke University Ede Nigeria Department of Public Health Central University of Nicaragua Managua Nicaragua Faculty of Basic Clinical Sciences Lagos State University College of Medicine Ikeja Nigeria Catholic Relief Services Abuja Nigeria Department of Political Science Faculty of Social Sciences Bayero University Kano Kano Nigeria

Mpox disease is caused by a double-stranded DNA virus, genus Orthopoxvirus of the family Poxviridae. The incubation period is usually 6 to 13 days but can range from 5 to 21 days while symptoms and signs may persist for 2 to 5 weeks. Although, the clinical features are usually less severe when compared to the deadly smallpox, the disease can be fatal with case fatality rate between 1% and 10%. In Imo State, Nigeria, there has been a changing epidemiology of the disease in the last 6 years and the frequency and geographic distribution of cases have progressively increased. This study aims to conduct a review of the disease epidemiology between 2017 and 2023 and implications for surveillance in Imo State. Surveillance data from the Surveillance Outbreak Response and Management System (SORMAS) was extracted between January 2017 and December 2023 across the 27 Local Government Areas (LGAs) of Imo State. A line list of 231 suspected cases was downloaded into an excel template and analyzed using SPSS® version 20 software. Analysis was done using descriptive statistics and associations were tested using Fischer’s exact at 0.05 level of significance. Of the 231 suspected cases, 57.1% (132) were males, 42.9% (99) were females and the modal age group was between the ages of 0 - 4 (32.5%). Eight (8) LGAs (districts) accounted for 71% (n = 164) of all the suspected cases. 21.2% (49) were confirmed positive, 27 males (55.1%) and 22 females (44.9%) (p > 0.05). Modal age group was 20 - 24 (22.4%, n = 11), 18% (9) were children under 14 years, p > 0.05. Case fatality rate was 8% (n = 4). There was no significant association between mortality and age group. Five (5) LGAs accounted for about 60% (29) of all confirmed cases. These LGAs contribute only 20% to the total population in the State. Only 5.6% and 4% of suspected and confirmed cases, respectively, had knowledge of contact with an infectious source. The study described the epidemiology of Mpox outbreaks between 2017

关键词： Mpox Epidemiology Outbreak Surveillance

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