模拟足球比赛期间病毒的潜在传播情况。
Modelling the potential spread of virus during soccer matches.
作者信息
Knudsen Nikolas Sten, Thomasen Manuel Mounir Demetry, Andersen Thomas Bull
机构信息
Department of Public Health, Aarhus University, Aarhus, Denmark.
出版信息
BMJ Open Sport Exerc Med. 2022 May 12;8(2):e001268. doi: 10.1136/bmjsem-2021-001268. eCollection 2022.
OBJECTIVE
In the present study, we model the potential spread of virus during soccer matches.
METHODS
Tracking data from 14 elite soccer matches was used. One player in each match was designated as a virus carrier (called 'infected player') for the purpose of the study. The exposure score (measured in seconds) was calculated as time spent closer than 1.5 m from the infected player or time spent in an exponentially declining zone, where the infected player was positioned earlier.
RESULTS
The results revealed that, on average, each player was exposed for 87.8 s per match.
CONCLUSION
Potential spread of virus during soccer matches was modelled and it revealed that the exposure to a virus during soccer matches is limited.
目的
在本研究中，我们对足球比赛期间病毒的潜在传播进行建模。
方法
使用了来自14场精英足球比赛的跟踪数据。为了本研究的目的，每场比赛中指定一名球员为病毒携带者（称为“感染球员”）。暴露分数（以秒为单位）的计算方法是，与感染球员距离小于1.5米的时间，或在感染球员较早所在的指数衰减区域内的时间。
结果
结果显示，平均而言，每名球员每场比赛的暴露时间为87.8秒。
结论
对足球比赛期间病毒的潜在传播进行了建模，结果表明足球比赛期间病毒暴露是有限的。
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