Four South Koreans have died and at least 42 have been infected with Middle East Respiratory Syndrome (MERS). The virus was first identified in Saudi Arabia in 2012, and a traveler who visited that country is thought to have brought it into South Korea last month.
In Seoul, streets are quiet and surgical masks are flying off the shelves. As NPR's Elise Hu told Here & Now's Jeremy Hobson, many South Koreans don't trust their government to stop the outbreak.
This segment aired on June 5, 2015.