本文对第24届北京2022年冬季奥林匹克运动会(Olympic Winter Games Beijing 2022,北京冬奥会)的公共卫生与赛事医疗保障和应对策略进行了全面梳理,剖析了此届冬奥会成功举办的经验,认为借助最新的科技力量和专业的医疗保障队伍支撑,牢...本文对第24届北京2022年冬季奥林匹克运动会(Olympic Winter Games Beijing 2022,北京冬奥会)的公共卫生与赛事医疗保障和应对策略进行了全面梳理,剖析了此届冬奥会成功举办的经验,认为借助最新的科技力量和专业的医疗保障队伍支撑,牢牢铸就闭环系统内的疫情防控体系,是保障了本届冬奥会成功举行的重要基础和前提。基于此,在当下公共卫生事件频发的背景下,分析和总结本届北京冬奥会的成功做法,对未来我国乃至世界范围内举办大型体育赛事将提供有益的参考与借鉴。展开更多
Background:The continuous mutation of severe acute respiratory syndrome coronavirus 2 has made the coronavirus disease 2019(COVID-19)pandemic complicated to predict and posed a severe challenge to the Beijing 2022Wint...Background:The continuous mutation of severe acute respiratory syndrome coronavirus 2 has made the coronavirus disease 2019(COVID-19)pandemic complicated to predict and posed a severe challenge to the Beijing 2022Winter Olympics and Winter Paralympics held in February and March 2022.Methods:During the preparations for the Beijing 2022 Winter Olympics,we established a dynamic model with pulsedetection and isolation efect to evaluate the efect of epidemic prevention and control measures such as entry policies,contact reduction,nucleic acid testing,tracking,isolation,and health monitoring in a closed-loop managementenvironment,by simulating the transmission dynamics in assumed scenarios.We also compared the importance ofeach parameter in the combination of intervention measures through sensitivity analysis.Results:At the assumed baseline levels,the peak of the epidemic reached on the 57th day.During the simulationperiod(100 days),13,382 people infected COVID-19.The mean and peak values of hospitalized cases were 2650and 6746,respectively.The simulation and sensitivity analysis showed that:(1)the most important measures to stopCOVID-19 transmission during the event were daily nucleic acid testing,reducing contact among people,and dailyhealth monitoring,with cumulative infections at 0.04%,0.14%,and 14.92%of baseline levels,respectively(2)strictlyimplementing the entry policy and reducing the number of cases entering the closed-loop system could delay thepeak of the epidemic by 9 days and provide time for medical resources to be mobilized;(3)the risk of environmentaltransmission was low.Conclusions:Comprehensive measures under certain scenarios such as reducing contact,nucleic acid testing,health monitoring,and timely tracking and isolation could efectively prevent virus transmission.Our research resultsprovided an important reference for formulating prevention and control measures during the Winter Olympics,andno epidemic spread in the closed-loop during the games indirectly proved the rationality of our research results.展开更多
文摘本文对第24届北京2022年冬季奥林匹克运动会(Olympic Winter Games Beijing 2022,北京冬奥会)的公共卫生与赛事医疗保障和应对策略进行了全面梳理,剖析了此届冬奥会成功举办的经验,认为借助最新的科技力量和专业的医疗保障队伍支撑,牢牢铸就闭环系统内的疫情防控体系,是保障了本届冬奥会成功举行的重要基础和前提。基于此,在当下公共卫生事件频发的背景下,分析和总结本届北京冬奥会的成功做法,对未来我国乃至世界范围内举办大型体育赛事将提供有益的参考与借鉴。
文摘Background:The continuous mutation of severe acute respiratory syndrome coronavirus 2 has made the coronavirus disease 2019(COVID-19)pandemic complicated to predict and posed a severe challenge to the Beijing 2022Winter Olympics and Winter Paralympics held in February and March 2022.Methods:During the preparations for the Beijing 2022 Winter Olympics,we established a dynamic model with pulsedetection and isolation efect to evaluate the efect of epidemic prevention and control measures such as entry policies,contact reduction,nucleic acid testing,tracking,isolation,and health monitoring in a closed-loop managementenvironment,by simulating the transmission dynamics in assumed scenarios.We also compared the importance ofeach parameter in the combination of intervention measures through sensitivity analysis.Results:At the assumed baseline levels,the peak of the epidemic reached on the 57th day.During the simulationperiod(100 days),13,382 people infected COVID-19.The mean and peak values of hospitalized cases were 2650and 6746,respectively.The simulation and sensitivity analysis showed that:(1)the most important measures to stopCOVID-19 transmission during the event were daily nucleic acid testing,reducing contact among people,and dailyhealth monitoring,with cumulative infections at 0.04%,0.14%,and 14.92%of baseline levels,respectively(2)strictlyimplementing the entry policy and reducing the number of cases entering the closed-loop system could delay thepeak of the epidemic by 9 days and provide time for medical resources to be mobilized;(3)the risk of environmentaltransmission was low.Conclusions:Comprehensive measures under certain scenarios such as reducing contact,nucleic acid testing,health monitoring,and timely tracking and isolation could efectively prevent virus transmission.Our research resultsprovided an important reference for formulating prevention and control measures during the Winter Olympics,andno epidemic spread in the closed-loop during the games indirectly proved the rationality of our research results.
