heading off to liberia and west africa for work, this hospital, june mure took new steps to protect people at greatest risk. >> john muir hospital making new preparations for ebola today. new body suits. >> face shields. eye goggles. real important with ebola. >> reporter: a new emergency intake protocol to bring patients into isolation room. >> we are not used to dealing with ebola in the united states. it is something we are all learning as we go. >> officials in dallas say nina pham was trained trained and took precautions. officials say it is possible other healthcare workers may have been exposed. people are not worried about ebola. >> i am more concerned with the norovirus and the flew. >> reporter: officials say they are screening patients arriving arriving -- passengers arriving in the u.s. he says it is still early. >> if the screening turns out to be positive they may extend it. i think it is a good start. >> reporter: some people recognize ebola as global problem that is just a day's travel to the bay area. a shrinking world requires an expanded perspective. >> if we help liberia we will help everybody.