Millions of students are returning to US universities in a vast unplanned pandemic experiment
Millions of students are returning to US universities in a vast unplanned pandemic experiment
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数以百万计的学生正在返回美国大学，进行一场大规模的计划外的流行病实验
作者：
E. Marris
尽管COVID-19感染在许多州肆虐，但近1000所学术机构欢迎人们回到校园。尽管COVID-19感染在许多州肆虐，但近1000所学术机构欢迎人们回到校园。伊利诺伊大学厄巴纳-香槟分校的校园COVID-19无电梯测试点。伊利诺伊大学厄巴纳-香槟分校的校园COVID-19步行检测点。
Despite COVID-19 infections running rampant in many states, nearly 1,000 academic institutions are welcoming people back to their campuses. Despite COVID-19 infections running rampant in many states, nearly 1,000 academic institutions are welcoming people back to their campuses. Credit: University of Illinois/Fred Zwicky On-campus COVID-19 walk-up testing sites at the University of Illinois, Urbana-Champaign. On-campus COVID-19 walk-up testing sites at the University of Illinois, Urbana-Champaign.