Cornell 关了校园

Cornell University is shutting down its Ithaca, New York, campus and moving to "alert level red" after what the school described as a "rapid spread" of Covid-19 among students.
There were 469 active student cases as of Tuesday afternoon, according to Cornell's online Covid dashboard, and an overall positivity rate of 3.01% for the week of December 6, among the students tested.

https://www.cnn.com/2021/12/14/u ... id-cases/index.html