cnn life-supporreports health c are being pushed past their limits. >> reporter: butch hansen, 84 years old, diagnosed with covid-19 last week. >> we're going to get a cat scan of your chest. you've got some junk in your chest. you probably have a little pneumonia. i want to make sure you don't have a blood clot in your lung. >> reporter: today he's back in the emergency room. >> why did you come in today? >> i had the phlegm last night. that's all i did. cough up that phlegm. i thought well, it's either a cold or something else. i find out what it is. >> reporter: hansen says he's been careful but may have picked it up from a family member. regional health services of howard county in iowa, the hospital, the ambulance service, the public health department and