The origin of the MERS infection in South Korea have been traced to a business man 68 old who brought it into the country landing in Seoul in May 4 after a trip to the Middle East. He appears to have infected at least 22 family members. At 29 May 2013, the WHO warned that the MERS-CoV virus is a “threat to entire world. As of June 2015, MERS-CoV cases have been reported in over 20 countries, including Saudi Arabia, Malaysia, Jordan, Qatar, Egypt, the United Arab Emirates, Kuwait, Turkey, Oman, Algeria, Bangladesh, Indonesia (none were confirmed), Austria, the United Kingdom, South Korea, the United States and China (both mainland and Hong Kong). The Centers for Disease Control and Prevention (CDC) list MERS as transmissible from human-to-human in close contact. South Korea is closing hundreds of schools as MERS outbreak spreads.