FILE PHOTO: Jay Y. Lee, Samsung Electronics' vice chairman and the only son of Samsung Electronics chairman Lee Kun-hee, makes a public apology over the spread of the Middle East Respiratory Syndrome (MERS) at Samsung Medical Center, at the company's headquarters in Seoul, South Korea, June 23, 2015. REUTERS/Kim Hong-Ji/File photo 

A woman wearing a mask to prevent contracting Middle East Respiratory Syndrome (MERS) rides on an escalator at a shopping mall in Seoul, South Korea, June 18, 2015. REUTERS/Kim Hong-Ji/File Photo GLOBAL BUSINESS WEEK AHEAD PACKAGE SEARCH BUSINESS WEEK AHEAD JUNE 27 FOR ALL IMAGES 

Amnuay Gajeena, director-general of Thailand's Disease Control Department, attends a news conference in the compound of the Public Health Ministry in Nonthaburi province, on the outskirts of Bangkok, Thailand, January 25, 2016. Thailand has quarantined 32 people as it seeks to prevent the spread of Middle East Respiratory Syndrome (MERS) after a second case of the virus was detected on Friday, a health ministry official said on Monday. REUTERS/Chaiwat Subprasom

Amnuay Gajeena, director-general of Thailand's Disease Control Department, attends a news conference in the compound of the Public Health Ministry in Nonthaburi province, on the outskirts of Bangkok, Thailand, January 25, 2016. Thailand has quarantined 32 people as it seeks to prevent the spread of Middle East Respiratory Syndrome (MERS) after a second case of the virus was detected on Friday, a health ministry official said on Monday. REUTERS/Chaiwat Subprasom

A woman licks an ice cream in front of a clothing shop at Myeongdong shopping district in central Seoul, South Korea, July 9, 2015. South Korea's central bank kept interest rates steady at a record low of 1.50 percent on Thursday, in a widely expected decision after the central bank cut rates in June to pre-emptively combat an outbreak of Middle East Respiratory Syndrome. REUTERS/Kim Hong-Ji 

A man shops at a clothing shop at Myeongdong shopping district in central Seoul, South Korea, July 9, 2015. South Korea's central bank kept interest rates steady at a record low of 1.50 percent on Thursday, in a widely expected decision after the central bank cut rates in June to pre-emptively combat an outbreak of Middle East Respiratory Syndrome. REUTERS/Kim Hong-Ji 

Women wearing masks to prevent contracting Middle East Respiratory Syndrome (MERS) walk at Myeongdong shopping district in central Seoul, South Korea, July 9, 2015. South Korea's central bank kept interest rates steady at a record low of 1.50 percent on Thursday, in a widely expected decision after the central bank cut rates in June to pre-emptively combat an outbreak of Middle East Respiratory Syndrome. REUTERS/Kim Hong-Ji 

Men holding shopping bags walk at Myeongdong shopping district in central Seoul, South Korea, July 9, 2015. South Korea's central bank kept interest rates steady at a record low of 1.50 percent on Thursday, in a widely expected decision after the central bank cut rates in June to pre-emptively combat an outbreak of Middle East Respiratory Syndrome. REUTERS/Kim Hong-Ji 

A woman gets her temperature checked by medical personnel at a screening point inside a private hospital in Bangkok, Thailand, June 24, 2015. Thailand, which reported its first case of MERS last week, on Monday said it had no new cases, raising hopes the virus there had been contained. REUTERS/Athit Perawongmetha

Medical personnel wear masks to prevent contracting Middle East Respiratory Syndrome (MERS) as they work at a screening point at a private hospital in Bangkok, Thailand, June 24, 2015. Thailand, which reported its first case of MERS last week, on Monday said it had no new cases, raising hopes the virus there had been contained. REUTERS/Athit Perawongmetha

A member of medical personnel put on a face shield during a drill as part of preparations in the event of a Middle East Respiratory Syndrome (MERS) outbreak, at a private hospital in Bangkok, Thailand, June 24, 2015. Thailand, which reported its first case of MERS last week, on Monday said it had no new cases, raising hopes the virus there had been contained. REUTERS/Athit Perawongmetha

A member of medical personnel puts on a protective mask during a drill as part of preparations in the event of a Middle East Respiratory Syndrome (MERS) outbreak, at a private hospital in Bangkok, Thailand, June 24, 2015. Thailand, which reported its first case of MERS last week, on Monday said it had no new cases, raising hopes the virus there had been contained. REUTERS/Athit Perawongmetha

South Korean President Park Geun-hye (L) speaks during a meeting at the presidential Blue House in Seoul, South Korea June 24, 2015. South Korea's health ministry reported four new cases of Middle East Respiratory Syndrome (MERS) on Wednesday, bringing the total number of cases to 179. From R: Brian McCloskey, director of Global Health for Public Health England, U.S. Ambassador to South Korea Mark Lippert, Stephen Redd, director of the Office of Public Health Preparedness and Response (PHPR) at the Centers for Disease Control and Prevention (CDC), and Sylvie Briand, director of WHO's department of pandemic and epidemic diseases. REUTERS/Chung Sung-Jun/Pool 

South Korean President Park Geun-hye (2nd L) shakes hands with Holly Wong (R), principal deputy assistant secretary for Global Affairs at the U.S. Department of Health and Human Services, before their meeting at presidential Blue House in Seoul, South Korea June 24, 2015. South Korea's health ministry reported four new cases of Middle East Respiratory Syndrome (MERS) on Wednesday, bringing the total number of cases to 179. REUTERS/Chung Sung-Jun/Pool 

South Korean President Park Geun-hye (L) speaks during a meeting with global health experts at the presidential Blue House in Seoul, South Korea June 24, 2015. South Korea's health ministry reported four new cases of Middle East Respiratory Syndrome (MERS) on Wednesday, bringing the total number of cases to 179. REUTERS/Chung Sung-Jun/Pool 

South Korean President Park Geun-hye speaks during a meeting with global health experts at the presidential Blue House in Seoul, South Korea June 24, 2015. South Korea's health ministry reported four new cases of Middle East Respiratory Syndrome (MERS) on Wednesday, bringing the total number of cases to 179. REUTERS/Chung Sung-Jun/Pool 

South Korean President Park Geun-hye speaks during a meeting with global health experts at the presidential Blue House in Seoul, South Korea June 24, 2015. South Korea's health ministry reported four new cases of Middle East Respiratory Syndrome (MERS) on Wednesday, bringing the total number of cases to 179. REUTERS/Chung Sung-Jun/Pool 

South Korean President Park Geun-hye speaks during a meeting with global health experts at the presidential Blue House in Seoul, South Korea June 24, 2015. South Korea's health ministry reported four new cases of Middle East Respiratory Syndrome (MERS) on Wednesday, bringing the total number of cases to 179. REUTERS/Chung Sung-Jun/Pool 

South Korean President Park Geun-hye (2nd L) shakes hands with Brian McCloskey (2nd R), director of Global Health for Public Health England, before their meeting at presidential Blue House in Seoul, South Korea June 24, 2015. South Korea's health ministry reported four new cases of Middle East Respiratory Syndrome (MERS) on Wednesday, bringing the total number of cases to 179. REUTERS/Chung Sung-Jun/Pool 

South Korean President Park Geun-hye (L) shakes hands with Stephen Redd (C), director of the Office of Public Health Preparedness and Response (PHPR) at the Centers for Disease Control and Prevention (CDC), before their meeting at presidential Blue House in Seoul, South Korea June 24, 2015. South Korea's health ministry reported four new cases of Middle East Respiratory Syndrome (MERS) on Wednesday, bringing the total number of cases to 179. REUTERS/Chung Sung-Jun/Pool 

South Korean President Park Geun-hye (L) shakes hands with Sylvie Briand (C), the director of WHO's department of pandemic and epidemic diseases, before their meeting at presidential Blue House in Seoul, South Korea June 24, 2015. South Korea's health ministry reported four new cases of Middle East Respiratory Syndrome (MERS) on Wednesday, bringing the total number of cases to 179. REUTERS/Chung Sung-Jun/Pool 

South Korean President Park Geun-hye (C) speaks during a meeting with Sylvie Briand (3rd R), director of WHO's department of pandemic and epidemic diseases, Stephen Redd (2nd R), director of the Office of Public Health Preparedness and Response (PHPR) at the Centers for Disease Control and Prevention (CDC), and U.S. Ambassador to South Korea Mark Lippert (R) at the presidential Blue House in Seoul, South Korea June 24, 2015. South Korea's health ministry reported four new cases of Middle East Respiratory Syndrome (MERS) on Wednesday, bringing the total number of cases to 179. REUTERS/Chung Sung-Jun/Pool 

Passengers walk past a thermal scanning machine upon their arrival at Phnom Penh International Airport June 23, 2015. Cambodia has installed thermal scanning machines at airports and border checkpoints to screen people arriving in the country for symptoms of the Middle East Respiratory Syndrome (MERS), a health ministry official said. REUTERS/Samrang Pring 

Cambodia's health officers monitor passengers walking past a thermal scanning machine during their arrival at the Phnom Penh International Airport June 23, 2015. Cambodia has installed thermal scanning machines at airports and border checkpoints to screen people arriving in the country for symptoms of the Middle East Respiratory Syndrome (MERS), a health ministry official said. REUTERS/Samrang Pring 

Cambodia's health officers test a thermal scanning machine at Phnom Penh International Airport June 23, 2015. Cambodia has installed thermal scanning machines at airports and border checkpoints to screen people arriving in the country for symptoms of the Middle East Respiratory Syndrome (MERS), a health ministry official said. REUTERS/Samrang Pring 

Cambodia's health officers test a thermal scanning machine at Phnom Penh International Airport June 23, 2015. Cambodia has installed thermal scanning machines at airports and border checkpoints to screen people arriving in the country for symptoms of the Middle East Respiratory Syndrome (MERS), a health ministry official said. REUTERS/Samrang Pring 

Passengers walk past a thermal scanning machine upon their arrival at Phnom Penh International Airport June 23, 2015. Cambodia has installed thermal scanning machines at airports and border checkpoints to screen people arriving in the country for symptoms of the Middle East Respiratory Syndrome (MERS), a health ministry official said. REUTERS/Samrang Pring 

Jay Y. Lee, the company's vice chairman and the only son of Samsung Electronics chairman Lee Kun-hee, makes a public apology over the spread of the Middle East Respiratory Syndrome (MERS) at Samsung Medical Center, at the company's headquarters in Seoul, South Korea, June 23, 2015. REUTERS/Kim Hong-Ji 

Jay Y. Lee, the company's vice chairman and the only son of Samsung Electronics chairman Lee Kun-hee, makes a public apology over the spread of the Middle East Respiratory Syndrome (MERS) at Samsung Medical Center, at the company's headquarters in Seoul, South Korea, June 23, 2015. REUTERS/Kim Hong-Ji 

Jay Y. Lee, the company's vice chairman and the only son of Samsung Electronics chairman Lee Kun-hee, makes a public apology over the spread of the Middle East Respiratory Syndrome (MERS) at Samsung Medical Center, at the company's headquarters in Seoul, South Korea, June 23, 2015. REUTERS/Kim Hong-Ji 

Jay Y. Lee, the company's vice chairman and the only son of Samsung Electronics chairman Lee Kun-hee, arrives to make a public apology over the spread of the Middle East Respiratory Syndrome (MERS) at Samsung Medical Center, at the company's headquarters in Seoul, South Korea, June 23, 2015. REUTERS/Kim Hong-Ji 

Jay Y. Lee, the company's vice chairman and the only son of Samsung Electronics chairman Lee Kun-hee, arrives to make a public apology over the spread of the Middle East Respiratory Syndrome (MERS) at Samsung Medical Center, at the company's headquarters in Seoul, South Korea, June 23, 2015. REUTERS/Kim Hong-Ji 

Jay Y. Lee, the company's vice chairman and the only son of Samsung Electronics chairman Lee Kun-hee, looks at his letter of public apology over the spread of the Middle East Respiratory Syndrome (MERS) at Samsung Medical Center, at the company's headquarters in Seoul, South Korea, June 23, 2015. REUTERS/Kim Hong-Ji 

Jay Y. Lee, the company's vice chairman and the only son of Samsung Electronics chairman Lee Kun-hee, makes a public apology over the spread of the Middle East Respiratory Syndrome (MERS) at Samsung Medical Center, at the company's headquarters in Seoul, South Korea, June 23, 2015. REUTERS/Kim Hong-Ji 

Jay Y. Lee, the company's vice chairman and the only son of Samsung Electronics chairman Lee Kun-hee, bows as he makes a public apology over the spread of the Middle East Respiratory Syndrome (MERS) at Samsung Medical Center, at the company's headquarters in Seoul, South Korea, June 23, 2015. REUTERS/Kim Hong-Ji 

Jay Y. Lee, the company's vice chairman and the only son of Samsung Electronics chairman Lee Kun-hee, bows as he makes a public apology over the spread of the Middle East Respiratory Syndrome (MERS) at Samsung Medical Center, at the company's headquarters in Seoul, South Korea, June 23, 2015. REUTERS/Kim Hong-Ji 

Jay Y. Lee, the company's vice chairman and the only son of Samsung Electronics chairman Lee Kun-hee, reacts as he makes a public apology over the spread of the Middle East Respiratory Syndrome (MERS) at Samsung Medical Center, at the company's headquarters in Seoul, South Korea, June 23, 2015. REUTERS/Kim Hong-Ji 

A woman wearing a mask to prevent contracting Middle East Respiratory Syndrome (MERS) rests under a bridge at the Han river park in Seoul, South Korea, June 22, 2015. South Korea's health ministry reported on Monday two more deaths in the country's Middle East Respiratory Syndrome (MERS) outbreak, bringing the number of fatalities to 27. REUTERS/Kim Hong-Ji 

A couple wearing masks to prevent contracting Middle East Respiratory Syndrome (MERS) rides a tandem bicycle at the Han river park in Seoul, South Korea, June 22, 2015. South Korea's health ministry reported on Monday two more deaths in the country's Middle East Respiratory Syndrome (MERS) outbreak, bringing the number of fatalities to 27. REUTERS/Kim Hong-Ji 

A man wearing a mask to prevent contracting Middle East Respiratory Syndrome (MERS) rides a bicycle at the Han river park in Seoul, South Korea, June 22, 2015. South Korea's health ministry reported on Monday two more deaths in the country's Middle East Respiratory Syndrome (MERS) outbreak, bringing the number of fatalities to 27. REUTERS/Kim Hong-Ji 

Policemen wearing masks to prevent contracting Middle East Respiratory Syndrome (MERS) stand guard in front of Japanese Embassy in Seoul, South Korea, June 22, 2015. South Korea's health ministry reported on Monday two more deaths in the country's Middle East Respiratory Syndrome (MERS) outbreak, bringing the number of fatalities to 27. REUTERS/Kim Hong-Ji 

Policemen wearing masks to prevent contracting Middle East Respiratory Syndrome (MERS) stand guard in front of Japanese Embassy in Seoul, South Korea, June 22, 2015. South Korea's health ministry reported on Monday two more deaths in the country's Middle East Respiratory Syndrome (MERS) outbreak, bringing the number of fatalities to 27. REUTERS/Kim Hong-Ji 

Policemen wearing masks to prevent contracting Middle East Respiratory Syndrome (MERS) stand guard in front of Japanese Embassy in Seoul, South Korea, June 22, 2015. South Korea's health ministry reported on Monday two more deaths in the country's Middle East Respiratory Syndrome (MERS) outbreak, bringing the number of fatalities to 27. REUTERS/Kim Hong-Ji 

A group of tourists wear masks to prevent contracting Middle East Respiratory Syndrome (MERS) as they arrive at Bangkok's Suvarnabhumi International Airport, Thailand, June 21, 2015. South Korea reported three new cases of Middle East Respiratory Syndrome on Sunday, bringing the total to 169 in the largest outbreak outside Saudi Arabia, but Thailand said it had no new infections. REUTERS/Kerek Wongsa 

A monitor connected to a body temperature scanner shows flight passengers arriving at Bangkok's Suvarnabhumi International Airport, Thailand, June 21, 2015. South Korea reported three new cases of Middle East Respiratory Syndrome on Sunday, bringing the total to 169 in the largest outbreak outside Saudi Arabia, but Thailand said it had no new infections. REUTERS/Kerek Wongsa 

A boy gets his temperature checked by a Thai officer as he arrives at Bangkok's Suvarnabhumi International Airport, Thailand, June 21, 2015. South Korea reported three new cases of Middle East Respiratory Syndrome on Sunday, bringing the total to 169 in the largest outbreak outside Saudi Arabia, but Thailand said it had no new infections. REUTERS/Kerek Wongsa 

A boy gets his temperature checked by a Thai officer as he arrives at Bangkok's Suvarnabhumi International Airport, Thailand, June 21, 2015. South Korea reported three new cases of Middle East Respiratory Syndrome on Sunday, bringing the total to 169 in the largest outbreak outside Saudi Arabia, but Thailand said it had no new infections. REUTERS/Kerek Wongsa 

A boy gets his temperature checked by a Thai officer as he arrives at Bangkok's Suvarnabhumi International Airport, Thailand, June 21, 2015. South Korea reported three new cases of Middle East Respiratory Syndrome on Sunday, bringing the total to 169 in the largest outbreak outside Saudi Arabia, but Thailand said it had no new infections. REUTERS/Kerek Wongsa 

A group of tourists wear masks to prevent contracting Middle East Respiratory Syndrome (MERS) as they arrive at Bangkok's Suvarnabhumi International Airport, Thailand, June 21, 2015. South Korea reported three new cases of Middle East Respiratory Syndrome on Sunday, bringing the total to 169 in the largest outbreak outside Saudi Arabia, but Thailand said it had no new infections. REUTERS/Kerek Wongsa 

A boy gets his temperature checked by a Thai officer as he arrives at Bangkok's Suvarnabhumi International Airport, Thailand, June 21, 2015. South Korea reported three new cases of Middle East Respiratory Syndrome on Sunday, bringing the total to 169 in the largest outbreak outside Saudi Arabia, but Thailand said it had no new infections. REUTERS/Kerek Wongsa 

A group of tourists wear masks to prevent contracting Middle East Respiratory Syndrome (MERS) as they arrive at Bangkok's Suvarnabhumi International Airport, Thailand, June 21, 2015. South Korea reported three new cases of Middle East Respiratory Syndrome on Sunday, bringing the total to 169 in the largest outbreak outside Saudi Arabia, but Thailand said it had no new infections. REUTERS/Kerek Wongsa 

A woman wears a mask to prevent contracting Middle East Respiratory Syndrome (MERS) at Bangkok's Suvarnabhumi International Airport, Thailand, June 21, 2015. South Korea reported three new cases of Middle East Respiratory Syndrome on Sunday, bringing the total to 169 in the largest outbreak outside Saudi Arabia, but Thailand said it had no new infections. REUTERS/Kerek Wongsa 

A woman wearing a mask to prevent contracting Middle East Respiratory Syndrome (MERS) walks at an underground shopping district in Seoul, South Korea, June 19, 2015. An outbreak of Middle East Respiratory Syndrome (MERS) in South Korea appears to have levelled off, a health official said on Friday, as the country reported just one new patient, a day after Thailand reported its first case. REUTERS/Kim Hong-Ji 

People wear masks to prevent contracting Middle East Respiratory Syndrome (MERS) at the Bamrasnaradura Infectious Diseases Institute in Nonthaburi province, on the outskirts of Bangkok, Thailand, June 19, 2015. Thai authorities took nearly four days to confirm the country's first case of MERS, the health ministry said on Friday, a time lag likely to raise fears of a further spread of the deadly virus in Asia. REUTERS/Chaiwat Subprasom

A woman wearing a mask walks past an information banner on Middle East Respiratory Syndrome (MERS) at the entrance of Bamrasnaradura Infectious Diseases Institute in Nonthaburi province, on the outskirts of Bangkok, Thailand, June 19, 2015. Thai authorities took nearly four days to confirm the country's first case of MERS, the health ministry said on Friday, a time lag likely to raise fears of a further spread of the deadly virus in Asia. REUTERS/Chaiwat Subprasom

People wearing masks to prevent contracting Middle East Respiratory Syndrome (MERS) ride on an escalator at the Bamrasnaradura Infectious Diseases Institute in Nonthaburi province, on the outskirts of Bangkok, Thailand, June 19, 2015. Thai authorities took nearly four days to confirm the country's first case of MERS, the health ministry said on Friday, a time lag likely to raise fears of a further spread of the deadly virus in Asia. REUTERS/Chaiwat Subprasom

A nurse sanitizers her hands to prevent contracting Middle East Respiratory Syndrome (MERS) at the Bamrasnaradura Infectious Diseases Institute in Nonthaburi province, on the outskirts of Bangkok, Thailand, June 19, 2015. Thai authorities took nearly four days to confirm the country's first case of MERS, the health ministry said on Friday, a time lag likely to raise fears of a further spread of the deadly virus in Asia. REUTERS/Chaiwat Subprasom

A woman wearing a mask walks past an information banner on Middle East Respiratory Syndrome (MERS) at the entrance of Bamrasnaradura Infectious Diseases Institute in Nonthaburi province, on the outskirts of Bangkok, Thailand, June 19, 2015. Thai authorities took nearly four days to confirm the country's first case of MERS, the health ministry said on Friday, a time lag likely to raise fears of a further spread of the deadly virus in Asia. REUTERS/Chaiwat Subprasom

A nurse and a woman wear masks to prevent contracting Middle East Respiratory Syndrome (MERS) at the Bamrasnaradura Infectious Diseases Institute in Nonthaburi province, on the outskirts of Bangkok, Thailand, June 19, 2015. Thai authorities took nearly four days to confirm the country's first case of MERS, the health ministry said on Friday, a time lag likely to raise fears of a further spread of the deadly virus in Asia. REUTERS/Chaiwat Subprasom

A worker wearing a mask walks outside the isolation ward where a 75-year-old businessman from Oman is being treated for the Middle East Respiratory Syndrome (MERS) at the Bamrasnaradura Infectious Diseases Institute in Nonthaburi province, on the outskirts of Bangkok, Thailand, June 19, 2015. Thai authorities took nearly four days to confirm the country's first case of MERS, the health ministry said on Friday, a time lag likely to raise fears of a further spread of the deadly virus in Asia. REUTERS/Chaiwat Subprasom TPX IMAGES OF THE DAY