Story highlights Second South Korean hospital closed over MERS outbreak

Four new cases are confirmed

South Korea's central bank unexpectedly cut interest rates over MERS

Seoul, South Korea (CNN) A second South Korean clinic has been forced to close, with staff, patients and visitors sent into quarantine, as the country attempts to curb the spread of the MERS virus for a third week.

Four new cases of Middle East Respiratory Syndrome were confirmed Friday in South Korea, bringing the total number of cases to 126.

One of the 126, a South Korean male, is being monitored by Chinese authorities since he arrived in the Chinese city of Guangdong in late May.

The outbreak is the biggest outside of Saudi Arabia, where the little-understood virus was first detected in 2012.

So far, 11 people in South Korea have died after contracting MERS and more than 3,800 people have been placed under quarantine. By Friday, 1,249 people have been released from quarantine after they tested negative for MERS.

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