A nurse in South Korea's capital city tested positive for the Middle East Respiratory Syndrome (MERS) virus on Friday, authorities said.

The 24-year-old nurse at the Samsung Medical Centre here became the 184th patient as she contracted the virus while treating patients at an isolated hospital ward, Xinhua news agency quoted the health ministry as saying.

No new MERS cases were identified for three days till Wednesday, but a case each was added on Thursday and Friday. The toll due to the virus is 33.

Seven more patients were discharged from hospitals, taking the total number of discharge patients to 109.

The number of those quarantined decreased from 2,247 on Thursday to 2,076 on Friday. (IANS)