billy johnson is the chief medical officer. he's fighting what appears to be a losing battle to keep liberia's health care system alive. most of the wards are closed altogether. the few that aren't are operating with a skeleton staff. outside in the car park, we meet the family that's desperately seeking help for their elderly father. he's diabetic, but he's also exhibiting symptoms consistent with ebola. throughout the country, patients are being turned away from hospitals. >> we are going to all the hospitals. they die in the car. you know? yeah. >> reporter: they leave, with the health care system at breaking point, they need to somehow get their father tested for ebola. for doctors, this is a terrible dilemma. >> our training is hands-on. you want to touch the patient, you want to feel patient, you want to be close by the patient. now we cannot do that. >> reporter: medical staff are the most exposed to the ebola virus, but doctor. johnson, one of the most senior health officials in the country, says that their understandab