A simple problem with Covid

I've been meaning to note that I read a thread on Twitter recently, perhaps from an overseas doctor, which made the somewhat under-appreciated point that a big problem COVID presents, especially with the wildly transmissible Omicron, for hospital managers is the lengthy period positive testing staff have to be away from work.  Hence, even with modest increases in actual COVID patients in a hospital, it may still be really suffering from inadequate staff for all of their patients.