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Evaluation of the physicochemical indices of blackflies(Diptera:Simuliidae)breeding sites in Delta State,Nigeria:Implication for onchocerciasis control

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Journal of Coastal Life Medicine 2016年第11期4卷 856-860页

作者： Joseph Oghenebukome Onojafe Andy Ogochukwu Egwunyenga jephtha christopher nmor Department of Animal and Environmental Biology Delta State UniversityAbrakaNigeria

Objective:To determine the ecological parameters affecting the distribution of Simulium damnosum immature stages in some rivers within the endemic areas of Delta State,***:Onchocerca larvae were observed and identified for each *** average sized colander with fine mesh was used to scoop the area to obtain the larvae along with other *** characteristics of the water at breeding sites were analyzed for a 12 months *** analysis was performed to establish the association between the larval densities and physicochemical parameters of ***:The seasonal variation in the physical and chemical characteristics of these environments impaired the population dynamics of *** physicochemical parameters significantly varied among breeding sites(P<0.05),in which the temperature of surface water ranged between 23.2°C and 30.3°C,water flow velocity ranged between 0.4 and 1.3 m/s,dissolved oxygen ranged between 5.1 and 9.0 mg/L and pH ranged between 5.4 and *** mean collection of Simulium larvae was the highest in River Otor(44.1)and the least in River Namormai(19.1).There was significant difference(P<0.05)in the number of larvae collected from the sampled ***,the number of larvae collected significantly correlated with surface water temperature,water flow velocity,dissolved oxygen and ***:This study identified significant correlations between physicochemical parameters and blackfly larvae densities thus providing a precontrol evidence-based data for the control of onchocerciasis in the endemic areas of North Delta.

关键词： Blackflies Physicochemical parameter Breeding sites Onchocerciasis control Nigeria

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Self-Reported Prevalence and Socio-Demographic Determinants of Multiple Parasitic Infection among Schooling Adolescents in Nigeria

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Advances in Infectious Diseases 2014年第1期4卷 8-17页

作者： jephtha C. nmor Judith nmor Prosper Omah Nwaka H. Kehi Kensuke Goto Junko Toyosawa Daisuke Fujita Department of Animal and Environmental Biology Delta State University Abraka Nigeria Department of Eco-Epidemiology Institute of Tropical Medicine (NEKKEN) Nagasaki University Nagasaki Japan Department of Nutrition Sciences Siebold University Nagasaki Japan National Mental Support Center for School Crisis Osaka Kyoiku University Osaka Japan National Mental Support Center for School Crisis Osaka Kyoiku University Osaka Japan Department of Animal and Environmental Biology Delta State University Abraka Nigeria

Background: Despite the rising burden of parasitic infections among young schooling adolescents in sub-Saharan Africa, insufficient attention has been paid to school-health. This study examined the self-reported prevalence of major parasitic infections and its association with key socio-demographic factors among young schooling adolescents in Southern Nigeria. Methods: An interviewer-administered school-based survey of students attending schools in Southern Nigeria was conducted in 2013. The study sample involved 585 students (60.9% male, 39.2% female and overall mean age of 15 years). The outcome variable was the self-reported presence of parasitic infection suffered within the past twelve months. The exposure variables were socio-demographic characteristics: age, sex, geolocality, school ownership, parents’ level of education and occupation. Association between the number of parasitic infections and socio-demographic factors were examined, and multivariate logistic regression was used to determine socio-demographic factors predictive of the presence of parasitic infections. Results: The most prevalent parasitic diseases reported across the sample were malaria (46.9%) and helminthiasis (27.7%). Over a quarter (38.5%) had one infectious disease, while about half (40.3%) reported had more than two infectious diseases. In the study sample, the number of parasitic diseases differed significantly by sex (p = 0.0344), age (p = 0.0483), geolocality (p = 0.0001), school ownership (p = 0.0012) and parents’ occupation (p = 0.0199). Multivariate logistic regression analysis showed that attending private school was negatively associated with the presence of parasitic diseases (β = ?0.9129, p = 0.0022). Conclusion: The high prevalence of multiple parasitic infections among the study population is worrisome and should be considered as a school-health concern. Concerted efforts are highly needed to develop school-health intervention programs for addressing the high prevalence of

关键词： Parasitic Diseases Socio-Demographic Factors Students Nigeria Africa

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High rate of injuries among students in Southern Nigeria: An urgent call to action

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Health 2013年第12期5卷 1965-1975页

作者： jephtha C. nmor Kehi H. Nwaka Kensuke Goto Junko Toyosawa Daisuke Fujita Department of Animal and Environmental Biology Delta State University Abraka Nigeria Anthony Model School Ubuluku Nigeria Department of Eco-Epidemiology Institute of Tropical Medicine (NEKKEN) Nagasaki University Nagasaki Japan National Mental Support Center for School Crisis Osaka Kyoiku University Osaka Japan National Mental Support Center for School Crisis Osaka Kyoiku University Osaka Japan Department of Animal and Environmental Biology Delta State University Abraka Nigeria

Addressing injury and its associated effects is a multi-dimensional and ongoing challenge. This includes recognizing that injury is a significant public health problem capable of affecting the health and wellbeing of all populations over short and longer terms, albeit in varied ways and intensities. That recognition has drawn attention to the need to take actions to avert its rate of occurrence particularly in developed nations. While in low-income countries, despite the growing burden of injury, there are few school-based studies from which to develop prevention initiatives. Thus this study describes the cause, nature and types and prevalence of injuries in a cross sectional population of students in Southern Nigeria, in order to provide data for use in developing priorities for injury prevention efforts. An interviewer-administered school-based survey of students attending schools in Southern Nigeria was conducted in 2013. The study sample involved 585 students (60.9% male, 39.2% female and overall mean age of 15 years). We inquired about participants self-reported injuries in the past one year (all injury inclusive). When reported, injuries were further assessed according to cause, intent, nature, type, place, and number of days absent from school due to injury. Overall, there were 549 self-reported injuries in the past one year (93.8%) among the respondents (95.5% for males and 90.8% for females, p = 0.6696). Sex wise, prevalence of injury differ by age, school setting and parents’ occupation (p higher in males compared to females [206 (60.4%) vs 87 (41.8%) p = 0.002, and 10 (2.9%) vs 0 (0.0) p = 0.016] respectively. Traffic injuries and falls decrease progressively with age. Homes and schools were settings injuries occurred mostly. Over 68% of the reported injuries were unintentional. On the average, 2 days of normal school activity were lost per injured persons because of an injury. Given the high prevalence of injury reported in this study, injury like tropic

关键词： School-Based Self-Reported Injury Prevalence Students Nigeria

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