maryland, delaware and georgia mobilized national guard members to assist hospitals with patient karas staff shortages increase. gary tuchman is in cleveland for us. 400 metro health hospital employees are down with covid this morning. that seems like a lot. what have you learned? reporter: yeah, john. they have 5,000 employees but 400 are not coming to work because they have covid. now, we are here in cleveland, invited to spend several hours. one of the largest hospitals in this city so we can get an idea what it looks like when the military is brought in. in the overnight hours of cleveland metro health medical center, justin lightner goes in to take care of a patient. so does brandon brown. and jordan white does the same. hi. can i take your vitals? reporter: but none are