David Souleles, the Covid-19 response director at the UC Irvine campus, said …. in this case, it made sense to suspend in-person classes in Irvine because of the strain on hospitals in the region and because so many students and faculty are testing positive that being in person was implausible. But Souleles added that circumstances could soon change if cases decline and if students get their boosters.
Why Covid disruptions at California colleges and universities differ from March 2020
EdSource, Jan. 14, 2022
January 14, 2022