South Korea reports 78 new coronavirus cases, total at 9,661

South Korea reported 78 more cases of coronavirus on Sunday, taking the country's total to 9,661, the Korea Centers for Disease Control and Prevention (KCDC) said.
 

The country's death toll rose by six to 158 as health authorities warned the mortality rate for elderly patients may rise further. 

The mortality rate of patients aged 80 and above stood at 17.51 percent as of Sunday, compared with an average of 1.59 percent for all infections, according to the data compiled by KCDC.

So far, 5,228 patients have recovered and been released from isolation in South Korea.