The 37th patient suffering from Middle East respiratory syndrome (MERS) died in Seoul, South Korea, on Oct 25, 2015, according to the Yonhap News Agency.

Hospital officials indicated this was the 152nd patient who tested positive for MERS. The patient failed to completely recover after being given a lung transplant in order to reduce suffering from the syndrome.

Sunday’s death increases the fatality rate from 19.4 to 19.9 percent in South Korea. The first MERS case was reported on May 20, 2015. Since then, there have been 186 people infected.