Bamrungrad hospital said on Friday the Omani man confirmed to have Middle East Respiratory Syndrome (Mers) had been isolated immediately on arrival and there were no signs of any staff or other patients having been infected by him.
At a press conference Friday afternoon, hospital executives said a total of 58 staff - doctors, nurses and other personnel - had been placed under quarantine, in differing degrees of isolation, for 14 days after some degree of contact with the patient.
Charnvit Tantipipat, vice chairman of Bumrungrad hospital, said so far no staff had shown any symptoms of Mers infection.
He said the Omani man arrived at the hospital as a walk-in patient about 9.45pm on Monday with symptoms of weakness, a cough and breathlessness. Admission screening staff had immediately isolated him from other patients.
The hospital suspected he might have caught Mers, so he was asked to wear a medical mask and isolated in a negative pressure room to avoid spreading the virus, Dr Charnvit said.
The man did not have a fever on the first day, but his temperature rose to around 38 degrees Celsius on Tuesday and Wednesday. The hospital had coordinated with the Public Health Ministry to transfer the infected patient to Bamrasnaradura Infectious Diseases Institution on Thursday.
He said all hospital staff who had contact with the infected patient were under quarantine watch, even gurney staff who wheeled the man inside from the taxi.
Korpong Rookkapan, director of operations, said the hospital had applied international standards in the screening process and immediately isolated a patient suspected of having an infectious disease from the general patients.
He could not say whether there would be a second Mers case at the hospital or not, because it could not refuse walk-in patients.
No patients had asked for a transfer to another hospital since the Mers case was confirmed, he said. About 20% of the hospital's patients were from Middle East countries.
The hospital circulated an internal messge to staff, confirming there were no other cases of suspected Corono Virus infection strain 2012 (the formal name for the Mers virus strain) and assuring them that precautions had been raised to the highest level.
