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Constitutionnel effects throughout nanotribology associated with nanoscale motion pictures of ionic drinks confined involving metallic areas.
The impact of the COVID-19 pandemic on endoscopic services in a low resource economy is formidable. With the emergence of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), there has been genuine concerns about the risk of transmission during gynaecological endoscopy via the diffusion of contaminated aerosols generated from CO2 leakage and smoke created by energy devices. A pragmatic step in mitigating transmission at the University College Hospital, Ibadan, resulted in the closure of the Endoscopic unit for 3 months whilst deploying increased hygienic methods coupled with social distancing. This however had its unintended consequences of delay and increased backlog of cases aside the economic losses. Developing a unit-based policy/protocol in response to any future unforeseen occurrence should take front stage in the planning and administration of the unit. Adopting global best practices and guidelines from researched evidence is not only imperative but desirable especially in the context of limited resources.The global spread of the novel Coronavirus disease (COVID-19) has necessitated the implementation of non-pharmaceutical public health measures globally, including school closure. After five months of school closures, the Nigerian government is planning towards the suspension of school lockdown. However, in a bid to ensure that schoolchildren are academically equipped, and measures such as adequate ventilation, handwashing, social distancing, and increased infrastructure need to be implemented to ensure that school reopening does not result to a spike in COVID-19 cases and fatalities in Nigeria.In an ever changing 21st century world, pandemics such as the Severe Acute Respiratory Syndrome (SARS-CoV-2) virus also known as COVID-19 have come to stay, especially as the world is gradually becoming a global village. The disease has caused a lot of economic and social disruptions globally. The relationship between animals, the environment and humans as hosts of the virus needs to be understood as a way to break the chain of the spread of the virus. This calls for more concerted efforts in preventive measures at the human, environmental and animal interfaces. The synergy between the various health sector (environmental, animal and human) practitioners will help curb the pandemic and also make our world a better and more environmentally-friendly place. This paper aims to elucidate the linkages between man and his environment; the implication of these infections and pandemics on public health and furthermore lends a voice to the call for a One Health approach to curbing the current COVID-19 pandemic ravaging the world.
Complementary and alternative medicine (CAM) is commonly used, but many physicians have limited knowledge of CAM despite its widespread use. Therefore, this study sought to assess the knowledge, attitude, and practice of medical students on complementary and alternative medicine in the management of COVID-19.

A descriptive cross-sectional study was conducted among 150 medical students from three Federal Universities in South West, Nigeria. learn more A self-administered semi-structured online Google Forms questionnaire was used to collect information. Chi-squared and Fisher's exact test was used to analyze the bivariate relationship between KAP status and sociodemographic characteristics. Spearman's correlation coefficient matrix was computed to determine the association between knowledge, attitude, CAM, age, and religiosity practice.

The median age was 22 years (interquartile range [IQR] 21-23 years). Median self-rated score for religion was 4.00 (IQR 3.00-4.25). Median knowledge score was 4.00 (IQR 3.75-5.00), median attitude score 2.75 (IQR 2.38-3.00) and median practice score 2.00 (IQR 1.00-2.00). Thirty-seven respondents (24.7%) were considered to have poor knowledge about CAM use in COVID-19 while the rest (75.3%) had good knowledge. Thirty-eight (25.3%) had a poor attitude towards using CAM in COVID-19 and 112 (74.7%) had a good attitude.

Medical students have good knowledge and a positive attitude towards CAM modalities as adjunct management for COVID-19. However, their practices do not reflect wide acceptability. There is a need for clinical trials on the efficacy of CAM as an adjunct treatment for COVID-19 to further inform its use.
Medical students have good knowledge and a positive attitude towards CAM modalities as adjunct management for COVID-19. However, their practices do not reflect wide acceptability. There is a need for clinical trials on the efficacy of CAM as an adjunct treatment for COVID-19 to further inform its use.
The pathophysiology of COVID-19 is evolving. We investigated self-reported sudden loss of sense of smell and taste, and otologic disorders among COVID-19 patients.

This was a case-control olfaction, gustation and otology study of COVID-19 RT-PCR tested adults. The study took place at the isolation centres for COVID-19 positive individuals in Abuja and Ibadan, among the epicentres of the disease in Nigeria. The participants were 46 COVID-19 positive adults and 46 COVID-19 negative adults. They responded to a validated online questionnaire-based on olfactory, gustatory and auditory loss. Chi-square tests and correlation analysis was done. Level of significance was at P<0.05.

Among cases, sudden loss of smell, taste and hearing were reported by 14 (30.4%), 8 (17.4%) and 5 (10.9%) cases respectively during the COVID- 19 infection. First symptom was loss of smell in 7 (15.2%) and loss of taste in 2 (4.3%) cases. The controls did not present with any of the symptoms. There was no significant correlation between loss of smell and age (r = 0.023, p=0.879); sex (r = -0.132, p=0.382) and co-morbidities (r = -0.028, p = 0.857). Similarly, there was no significant correlation between loss of taste and age (r = 0.052, p = 0.732); sex (0.040, p = 0.792) and co-morbidities (r = -0.014, p = 0.925).

Sudden loss of smell and taste are commoner among COVID - 19 positive adults than those without the infection in Nigeria. There is evidence of associated reduction in hearing acuity but further study with objective audiometric testing is recommended.
Sudden loss of smell and taste are commoner among COVID - 19 positive adults than those without the infection in Nigeria. There is evidence of associated reduction in hearing acuity but further study with objective audiometric testing is recommended.
Infection Prevention and Control practices are required to manage COVID-19 and Lassa fever (LF). We aimed to assess COVID-19 and LF risk perception and knowledge, attitude, and practices (KAP) towards prevention among doctors and nurses in a treatment centre in Ondo State, Nigeria.

We conducted a comparative cross-sectional study using semi-structured interviewer-administered questionnaires. We computed KAP scores with "+1" for correct response and "0" for incorrect response. Cumulative scores >80% implied good KAP of LF and COVID-19. Chi-square test was used to assess associations between sociodemographic characteristics and COVID-19 and LF KAP. P-values<0.05 were statistically significant.

The mean age of respondents was 37.81±8.46 years. Risk perception scores were 2.82±0.53 for LF and 2.76±0.58 for COVID-19 (p=0.002). Mean overall knowledge scores towards prevention were 18.48±2.08 for LF and 15.59±3.22 for COVID-19 (p<0.001). Practices towards prevention scores were 18.18±2.27 for LF and 15.89±1.47 for COVID-19 (p<0.001). Concerning LF, 72.8% of doctors had good knowledge of prevention compared to 42.9% nurses (p<0.001), 18.3% of doctors had good attitude to LF prevention compared to 27.2% nurses (p=0.039). Also, 84.8% nurses had good LF preventive practices compared to doctors (64.5%) (p<0.001). A strong positive correlation (r=0.72) existed between COVID-19 and LF risk perception (p<0.001).

Continuous on-the- job trainings are needed among doctors and nurses in LF and COVID-19 treatment centres.
Continuous on-the- job trainings are needed among doctors and nurses in LF and COVID-19 treatment centres.
Epidemic thresholds generated using the conventional historical data is not optimal for COVID-19 because of its short historical trajectory. This study therefore, aimed to develop and compare Cumulative sum C2 and C1 epidemic thresholds for COVID-19 in selected states in southwestern Nigeria.

This was a retrospective longitudinal analysis of the COVID-19 surveillance data (week 10 - 48) retrieved from the Nigerian Centre for Disease Control (NCDC) database of situation reports as at the 6th of December, 2020. Data was managed with Microsoft excel. The weekly time scale was adopted for developing the CUSUM C2 and C1 epidemic thresholds for three selected southwest states and Nigeria.

A total of 236 situation reports were reviewed for each state. For Lagos state, the maximum C2 and C1 estimated was 2326 which was during the peak of the epidemic. From the four most recent surveillance points, the thresholds and the observed confirmed cases appeared to diverge from each other. For Ogun state, the maximum C2 and C1 estimated was 318 during the peak of the epidemic. From the four most recent surveillance points, the thresholds and the observed confirmed cases appeared to converge. For Oyo state, the maximum C2 and C1 estimated was 708 during the peak of the epidemic. From the four most recent surveillance points, the thresholds and the observed confirmed cases appeared to converge and then diverge.

A closer monitor of the surveillance data for the states is recommended for a possible public health intervention.
A closer monitor of the surveillance data for the states is recommended for a possible public health intervention.
Kaduna State is among the three States with the highest number of confirmed COVID-19 cases. The objective of this study was to assess the knowledge, risk perception and practices of staff towards prevention and control of COVID-19 infection in schools to provide policy makers, education and health managers required information to manage the epidemic as the schools prepare to re-open.

This was a school-based survey conducted using purposive sampling of 55 schools located in nine LGAs with the highest number of reported COVID-19 cases as at October 2020. Five schools with the highest students'/pupils' enrollment in each of the LGA were selected and all staff were interviewed. Information on knowledge, risk perception and practices of prevention was collected. Descriptive statistics were generated using Stata v14 software.

A total of 1065 staff in 55 schools completed the interview. Major sources of information are television (73%), radio (61%), and social media (57%); and 76% indicated that a virus is thenowledge of COVID-19 is suboptimal, perception is positive and practice is high. Thus, teachers need to be well informed and encouraged to sustain current levels of preventive measures. Government needs to provide schools with adequate preventive commodities to ensure compliance.Coronavirus Disease (COVID-19) is the largest outbreak of severe acute respiratory syndrome (SARS). It was declared a pandemic by the World Health Organization (WHO) on 11 March 2019, and it has since disrupted many health systems and a threat to the fragile, unprepared health care services in LMICs. Many patients avoided the health facilities despite battling with chronic non-communicable diseases which needed medical attention. Hence, the healthcare providers had to devise means of ensuring the running of essential medical services amidst the pandemic. Scheduled patients' appointments and medical consultations through telemedicine were adopted. A scrutiny of the adjustment in the routine medical consultations in a limited resource country like Nigeria will help to identify the strength and limitations in sustaining safe consultations even after COVID-19 pandemic.
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