COVID-19 is a major public health problem that has been seriously affecting the global community. Healthcare workers (HCWs) are at high risk of infection due to being directly involved in diagnosing and taking care of patients. Due to this, they were prioritized to receive the initial supply of vaccines. However, vaccine hesitancy has been identified as a major global public health threat. Therefore, this review aimed to synthesize pieces of evidence on the prevalence of COVID-19 vaccine acceptance and determinate factors among HCWs. A systematic search of published articles was identified using PubMed, Science Direct, Web of Science, and Google Scholar for relevant studies of vaccine acceptance and determinant factors among HCWs. Published articles were identified using abstracts and titles of the articles, and articles were assessed for eligibility criteria. The review process was conducted according to the guidelines of Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA). An electronic database search identified 365 articles, from which 33 full-text articles were included in the systematic review. In this review, the highest rate of vaccine acceptance was reported at 95% and the lowest rate of vaccine acceptance was found at 21%. Factors such as sex (male), age, profession (medical doctors), and previous influenza vaccination were the main positive predictors for COVID-19 vaccine acceptance among HCWs. Concerns about vaccine safety, efficacy, and effectiveness were the main barriers and drivers for vaccine hesitancy. Therefore, to improve the COVID-19 vaccine acceptance among HCWs, governments, public health authorities, and private healthcare systems should work together to provide continuous professional development and training on the safety and effectiveness of the COVID-19 vaccine.
Background: In order to protect public health during the outbreaks of infectious diseases including the pandemic COVID-19, provision of Water, Sanitation, and Hygiene (WASH) services is important. The challenges of inaccessible WASH services along with the pandemic COVID-19 in low-income countries can lead to a devastating problem. Method: A systematic search of published articles was identified using PubMed, Web of Science, and Google Scholar, on relevant studies of COVID-19 and WASH services. Published articles were identified using abstracts and titles of the articles, followed by assessed for eligibility, and screening of the full text reports of relevant studies. Results: Electronic database search identified 798 articles from which 28 full text articles were included in the systematic review. A lack of access to WASH services in households, schools, health care facilities, and other public spaces were the main identified COVID-19 related public health risks. A lack of adequate data and financial shortages were the challenges for mitigating the problems of COVI-19 and WASH services. Conclusion: This systematical review identified the impacts and challenges of COVID-19 in the provision of WASH services. The results implied that COVID-19 has significant impacts on WASH services that can affect the health of the public. Therefore, strengthening and ensuring access to WASH services are important for preventing COVID-19 and realizing human rights. Community engagement also can be used to support for prevention and control of COVID-19. Countries need to be expand their investment in WASH services as an important mechanism for mitigating COVID-19.
Introduction. Access to safe drinking water is essential to health, and it is a basic human right. However, drinking water treatment plant efficiency and its water quality are not well investigated in low-income countries including Ethiopia. Methods. A laboratory-based cross-sectional study was conducted among 75 water samples. Data analysis was carried out using SPSS version 22 to generate descriptive statistics, and one-way ANOVA was used to test statistically significant difference. Results. Physicochemical qualities of the water samples from tap water sources were found to be pH (6.88 ± 0.05), turbidity (5.15 ± 0.006 NTU), electrical conductivity (170.6 ± 0.1 μS/cm), residual chlorine (0.19 ± 0.003 mg/L), and fluoride (1.17 ± 0.009 mg/L). The removal efficiency of turbidity, total hardness, and nitrate was found to be 94.4%, 52.3%, and 88.7%, respectively. Removal efficiency of the treatment plant for total coliforms up to 91.6% (15 ± 0.26 CFU/100 mL in tap water) and faecal coliforms up to 99% (1.51 ± 0.03 CFU/100 mL in tap water) was recorded. Parameters of pH, temperature, and faecal coliform were statistically significant different at p < 0.05 in tap water source. The overall efficiency of the treatment plant (68.5%) and the water quality index (76) were recorded. Conclusion. Based on the results, some of the investigated parameters of water quality (turbidity, residual chlorine, total coliform, and faecal coliform) were found to be not within the permissible limits of WHO guideline values for drinking water quality. The water quality index of the water samples was categorized under good water quality. To adequately treat drinking water and improve the treatment plant, adequate preliminary treatments like screening to reduce the incoming organic loading, proper chlorination of the drinking water system, and frequent monitoring and maintenance of the treatment plant system are required.
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