A Seoul Metropolitan Government worker wearing a protective suit sprays antiseptic solution inside a restroom at the Sowol Art Hall in Seoul, South Korea, on Friday, June 12, 2015. The Middle East respiratory syndrome (MERS) outbreak has killed 11 South Koreans and put more than 3,000 in quarantine, threatening to damp recent improvement in consumer sentiment in an economy that's under pressure from a slump in exports. Photographer: SeongJoon Cho/Bloomberg via Getty Images