South Korean Health Ministry on Sunday said 14 infections with the Middle East Respiratory Syndrome were added, sending the total number to 64.
Among the 14 new cases was one death of a 75-year-old patient, who had passed away on Friday but was confirmed positive Sunday.
The total death toll from the viral disease rose to 5, sending the fatality rate to 7.8 per cent.
According to the ministry, 10 people contracted the corona virus when they stayed at the emergency room of Samsung Medical Centre in Seoul for three days from May 27 together with the 14th patient.
The total number infected at the Samsung hospital surged to 17, including a doctor of the hospital suspected of having contact with thousands of unspecified individuals under MERS contagion and spreading the virus to others.
It said the 14th infected person was estimated to have transported the virus from the Pyeongtaek St. Mary’s Hospital, where the first patient was hospitalised for three days from May 15.
The patient traveled to Seoul by bus on May 27 to be hospitalised at the Samsung Medical Center, in which the 35-year- old man infected a total of 17.
It added that the three new cases came from the Pyeongtaek St. Mary’s Hospital.
Twenty-eight patients were infected from the first patient at the Pyeongtaek hospital, and eight others were the cases of tertiary contagion having occurred there.
The remaining one was the tertiary contagion, in which the new patient caught the virus from the 16th patient at an unidentified hospital.