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Investigating Contributions of Total Column Ozone Variation on Some Meteorological Parameters in Nigeria

Atmospheric and Climate Sciences 2022年第1期12卷 132-149页

作者： eucharia chidinma okoro Francisca Nneka Okeke Lilian Chinenyenwa Omeje Department of Physics and Astronomy Faculty of Physical Sciences University of Nigeria Nsukka Nigeria

The relationship between some meteorological parameters and variation of total column ozone (TCO) concentration in Nigeria is studied from 1998-2012. The results using a descriptive analysis revealed a seasonal ozone variation having the same trend in all the stations during the period of study. High variability of TCO occurred between December and March coinciding with the period of dry season and low variability of TCO was observed in August coinciding with the period of rainy season. The observed trends in all the stations show that the TCO variation in Nigeria is mostly caused by natural occurrences. Calabar and Port Harcourt stations showed a high percent of TCO variability, while Kano and Maiduguri indicated a low percentage of TCO variability. Using Spearman correlation analysis, TCO concentration has a strong negative correlation with temperature in some stations with correlation coefficient (r) (-0.8392, -0.8531, -0.7832, -8881 and -0.7902) for Calabar, Port Harcourt, Makurdi, Lagos and Ilorin respectively. Kano and Maiduguri showed a weak positive correlation coefficient (r) 0.4965 and 0.3776 respectively. Positive correlation observed in Kano and Maiduguri could be as a result of high dehydration of water vapour in these stations due to seasonal harmattan and latitudinal effects. Probably, some of the substances that could deplete ozone such as HCl, aerosol are soluble in water thereby being washed off by rain during wet season leading to maximum TCO concentration during rainy season. Consequently, the observed phenomenon is through transportation of ozone content through the influence of Brewer-Dobson

关键词： Total Column Ozone Temperature Rainfall Seasonal Correlation

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Evaluation of Malaria Parasitaemia and Assessing the Knowledge, Attitude and Practice of Pregnant Women Attending Health Facilities in Owerri Metropolis towards Malaria Prevention and Control

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Journal of Biosciences and Medicines 2021年第5期9卷 62-78页

作者： Chinyere Ihuarulam okoro Francis Chukwuebuka Ihenetu Kingsley Ihedioha Achigbu Sonny Johnbull Ogboi Kingsley Excel Dunga Chidera Chisom Obasi chidinma O. Akanazu Department of Microbiology/Parasitology Federal Medical Center Owerri Nigeria Department of Microbiology Imo State University Owerri Nigeria Department of Paediatrics Federal Medical Center Owerri Nigeria Department of Medical Laboratory Sciences University of Nigeria Enugu Nigeria Department of Medical Laboratory Science Madonna University Elele Nigeria Department of Public Health Imo State University Owerri Nigeria Department of Public Health Federal University of Technology Owerri Nigeria

There are a few investigations on malaria in pregnancy;however, examinations zeroing in on the discernment and current acts of malaria counteraction and treatment among pregnant women are scanty. This examination was pointed toward evaluating the information, recognitions about malaria anticipation with accentuation on information about placental malaria too consistence to utilization of LLIN and IPTP among pregnant women in Owerri, South Eastern Nigeria. A cross-sectional descriptive study was conducted at an emergency department, Federal Medical Centre, Owerri using a pretested questionnaire from 200 randomly selected consenting pregnant women. Acknowledgment of malaria manifestations during pregnancy, information about IPTP and placenta malaria were things used to survey the degree of information about malaria in pregnancy. Their blood tests were additionally diagnosed for malaria parasitaemia. Malaria prevalence in the examination populace by microscopy was 13.5%. Additionally 62% of the respondents were learned about the conceivable impeding impacts of the existences of malaria during pregnancy. About 79.5% of the respondent decidedly related mosquitoes to malaria contamination while 31% and 14% related reason for malaria disease to messy encompassing and stale water individually. Malaria Prevention Mentality and Practice in this examination was acceptable (60%) while 18.5% had reasonable practice. All the more so and 15.5% of the respondents had been associated with helpless practice. About 34% of the pregnant ladies rested under a mosquito net frequently study watched factual criticalness between age, occupation and malaria counteraction rehearses (p = 0.014, 0.0089). There was likewise measurably huge relationship between respondent’s training and respondent mentality (p = 0.0034). Information with respect to the utilization of Sulphodaxine primethamine (SP) as medication of decision during pregnancy was restricted (12.0%) as utilization of chloroquine was p

关键词： Malaria Parasitaemia Pregnant Women Knowledge Practice

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Seroprevalence and Associated Risk Factors of Hepatitis B and C among Inmates of Port Harcourt Maximum Security Custodial Centre

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Advances in Infectious Diseases 2023年第2期13卷 159-182页

作者： Barynem Vito-Peter Gift Mibilanyeofori Hart Aisha Dio Victory chidinma Nwogu Nancy Obutor Ideozu Ozioma Chiagoziem okoro Okadini Collins Albert Abigail Chisa Mike-Ogburia Priscilla Adonike Ogbakiri Chiziyara Orluibna Obunwo Moore Ikechi Mike-Ogburia Department of Medical Laboratory Science Rivers State University Port Harcourt Nigeria Department of Medical Laboratory Science University of Port Harcourt Teaching Hospital Port Harcourt Nigeria Port Harcourt Maximum Security Custodial Centre Rivers State Command Port Harcourt Nigeria Department of Basic and Applied Biological Sciences Ahmadu Bello University Zaria Nigeria Kariden Specialist Hospital Port Harcourt Nigeria Department of Health Services Rivers State University Port Harcourt Nigeria

Hepatitis B (HBV) and Hepatitis C (HCV) are significant global public health burdens associated with liver cirrhosis, liver cancer and are responsible for over a million deaths yearly. Prisons and other confined facilities offer opportunities for the acquisition and transmission of infectious diseases such as hepatitis B and C during and after imprisonment. This study aimed to investigate the seroprevalence of Hepatitis B and Hepatitis C as well as their associated risk factors among inmates in the Port Harcourt Maximum Security Custodial Centre. A cross-sectional study was conducted among inmates incarcerated in the Port Harcourt Maximum Security Custodial Centre from July to December 2022, and 200 consenting subjects completed a structured questionnaire in addition to screening for the presence of HBsAg and anti-HCV antibodies. Data generated from this study was represented as frequency and percentages, and inferential statistics were carried out using chi-square with the aid of GraphPad Prism Software Version 9. Statistical significance was defined as a p-value of less than 0.05 at a 95% confidence interval. The seroprevalence of HBV was 4% while 3.5% was recorded for HCV with no cases of co-infections reported. HBV seroprevalence was significantly associated with blood oath and a history of surgery (p p < 0.05). The findings from the current study highlight a relatively lower prevalence of HBV and HCV amongst inmates in Port Harcourt in comparison to studies in Nigeria. These infections can be further controlled by multifaceted approaches by the prison personnel, administration, and Government by employing combative measures such as regular screening, easy access to therapy, awareness, and vaccination programs for HBV are crucial to prevent the transmission of these diseases.

关键词： Hepatitis B Hepatitis C HBV HbsAg HCV Prevalence Risk Factors Prison Inmates

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Prevalence and Associated Risk Factors of COVID-19 in an Incarcerated Population Burdened with HIV Infections in Port Harcourt

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World Journal of AIDS 2023年第2期13卷 28-46页

作者： Moore Ikechi Mike-Ogburia Aisha Dio Victory chidinma Nwogu Barynem Vito-Peter Gift Mibilanyeofori Hart Nancy Obutor Ideozu Okadini Collins Albert Minichim Nnah Mike-Ogburia Chiziyara Orluibna Obunwo Ozioma Chiagoziem okoro Priscilla Adonike Ogbakiri Patmos Obu Angala Ugonma Kendra Jumbo Abigail Chisa Mike-Ogburia Department of Medical Laboratory Science Rivers State University Port Harcourt Nigeria Port Harcourt Maximum Security Custodial Centre Rivers State Command Port Harcourt Nigeria Department of Medicine and Surgery Rivers State University Port Harcourt Nigeria Department of Health Services Rivers State University Port Harcourt Nigeria Department of Medical Laboratory Science University of Port Harcourt Teaching Hospital Port Harcourt Nigeria Kariden Specialist Hospital Port Harcourt Nigeria Department of Science Laboratory Technology Federal University of Technology Owerri Nigeria Department of Medical Laboratory Science Abia State University Uturu Nigeria Department of Basic and Applied Biological Sciences Ahmadu Bello University Zaria Nigeria

Background: The burden of COVID-19 and human immunodeficiency virus (HIV) are some of the major and persistent global health challenges of the twenty-first century. HIV and COVID-19 are expected to overlap in high HIV-burden countries, posing several public health challenges as a result. Prisons are overcrowded, have limited space for social distancing and have inadequate ventilation systems, making it difficult to contain the spread of COVID-19 in addition to the high-risk behaviours of inmates which contribute to the spread of HIV within these facilities. This study aimed to determine the prevalence of COVID-19 among inmates in a prison facility with a relatively high HIV burden in Port Harcourt, Nigeria;investigating potential risk factors and co-infection with HIV. Methodology: The study employed a descriptive cross-sectional study design sampling 200 inmates from the Port Harcourt Maximum Security Custodial Centre from July to December 2022. A well-structured questionnaire was administered via interviews in addition to screening for HIV-1/2 antibodies as well as COVID-19 antigens using rapid diagnostic test kits. Descriptive statistics and chi-square were carried out on the GraphPad Prism 9 software with statistical significance defined as a p-value of less than 0.05 at a 95% confidence interval. Result: The prevalence of HIV from the current study was 6.5%, COVID-19 prevalence was reported to be 12.5% while HIV/COVID-19 co-infection was 1.5% The duration of incarceration, face mask use, frequent visitations and vaccination against COVID-19 were found to be significantly associated with the prevalence of COVID-19 in the studied population (p Conclusion: The current study reports a relatively high prevalence of HIV and COVID-19 among the inmates in the study area. It becomes expedient for the administrators of the correctional facility to properly screen new inmates for COVID-19, quarantine and manage cases, as well as provide them with personal protective equip

关键词： HIV SARS-CoV-2 COVID-19 Prevalence Incarceration Prison Risk Factors

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