In the United States, to date, the number of people who have died from the ebola virus is less than a handful. Conversely, the number of  people who die each year in the U.S. from antibiotic-resistant bacteria is more than 20,000. So while most of the media are laser-focused on ebola, Frontline looks at this other deadly medical crisis – one which, unknown to most, is much more prevalent, at least in this country. Check local listings.