bojorquez, thank you. we want to turn now to what the american medical association is calling an urgent public health crisis and, believe it or not, the supply chain issues are to blame. dozens of life saving drugs are in short supply forcing doctors to use less effective medications. we get more on this from cbs s mark strassmann. reporter: at the university of virginia medical center, 24-7, technicians fill single drug orders for nearly 700 patients. pharmacist brian spoelhof s job, by thme com in, wemeons th a. reporter: take this targeted anti-inflammatory tocilizumab needed by chemo and covid patients and there s not enough for all of them. if you run out of this. yeah. reporter: patients could die. yeah, if we run out of this, patients aren t able to get really important chemotherapy and without that chemotherapy,