Assessment of the Benefits of Targeted Interventions for Pandemic Control in China Based on Machine Learning Method and Web Service for COVID-19 Policy Simulation / 生物医学与环境科学（英文）

Taking the Chinese city of Xiamen as an example, simulation and quantitative analysis were performed on the transmissions of the Coronavirus Disease 2019 (COVID-19) and the influence of intervention combinations to assist policymakers in the preparation of targeted response measures. A machine learning model was built to estimate the effectiveness of interventions and simulate transmission in different scenarios. The comparison was conducted between simulated and real cases in Xiamen. A web interface with adjustable parameters, including choice of intervention measures, intervention weights, vaccination, and viral variants, was designed for users to run the simulation. The total case number was set as the outcome. The cumulative number was 4,614,641 without restrictions and 78 under the strictest intervention set. Simulation with the parameters closest to the real situation of the Xiamen outbreak was performed to verify the accuracy and reliability of the model. The simulation model generated a duration of 52 days before the daily cases dropped to zero and the final cumulative case number of 200, which were 25 more days and 36 fewer cases than the real situation, respectively. Targeted interventions could benefit the prevention and control of COVID-19 outbreak while safeguarding public health and mitigating impacts on people's livelihood.

Survey of Rehabilitation Nursing Management of Neurogenic Bladder and Clinical Application of Intermittent Catheterization in Guangdong, China / 中国康复理论与实践

Objective:To investigate the knowledgement and clinical application of neurogenic bladder and intermittent catheterization among nurses in Guangdong. Methods:From December, 2020 to January, 2021, 241 nurses in Guangdong were investigated with a questionnaire designed by ourselves. Results:The score was low in understanding the neurogenic bladder rehabilitation nursing management and intermittent catheterization through self-assessment. The awareness was deficient in the complication and risk management of neurogenic bladder. Although there were a lot of patients with dysuria in clinical practice, 67.2% of nurses still used indwelling catheter, and only 24.1% used intermittent catheterization. Only 9.9% nurses thought that patients with dysuria were treated positively by doctors. Most of nurses would like to participate in the training and nursing alliance in neurogenic bladder rehabilitation nursing management and intermittent catheterization, and manage patients with neurogenic bladder after discharge. Conclusion:The knowledge of guidelines related with neurogenic bladder and intermittent catheterization among nurses is insufficient, and is not applied in clinical practice. More work should be done to improve the knowledge and standardization of management of neurogenic bladder.