A police (L) with a mask sets up a roadblock before people who came into close contact with the South Korean MERS patient arrive at Lady MacLehose Holiday Village in Sai Kung, where they will spend two weeks in quarantine, in Hong Kong, China May 29, 2015. China said on Friday a 44-year-old South Korean man had tested positive for Middle East Respiratory Syndrome (MERS), China's first confirmed case, but that it had not found any symptoms in 38 people who had been in close contact with him. REUTERS/Tyrone Siu