dr. kenneth davis mount sinai ceo & president .nk you for being here. >> how do you think we are doing when it comes to people who have or need health insurance? >> this has been a complicated law. the law was designed to do three things -- improve access, improve quality and decrease costs. it affects different entities differently. it affects patients, it affects the people who provide the care and insurance companies, the payers, the government. how have we done with all of those entities? we improved access. there are more patients insured than ever before and that's a good thing. there are things in the aca that mandated changes in quality. fewer hospital readmissions, fewer hospital wide infections. we improved quality. have we diminished costs? well, it seems the rate of increase in medicare expenditures and medicaid expenditures is certainly the rate of increase is diminishing. is that the aca, is that other reasons? we can debate that. it seems a lot of the goals of the bill are being met. >> you run a hospital system with

dr. kenneth davis heads the entire mount sinai system. >> this is expensive.lling, the equipment, the construction, it's all not been budgeted. and in hospitals like ours, which have a very large percentage of patients who are largely medicare or medicaid, the margins are very narrow. so, we're ultimately going to be looking for federal, state, local help. >> reporter: but while all of this might look like something out of a sci-fi movie, dr. davis says, everyone needs to remember to stay calm. >> what separates this from anything else we've ever seen is the degree of anxiety, almost hysteria that's in the population about this. let's remember, there is one case in new york. there are less than a handful of cases in the united states. and the cases are, by and large, health care workers. >> reporter: for weeks to come, mount sinai's health care workers will continue to practice the new procedures. procedures they hope they will never have to use. >> woodruff: there was a major shift in power today in the west african nation of burkina faso as that country's st