A total of 593 COVID-19 patients are receiving treatment at the National Hospital in Colombo (NHC) as of today and 266 of them are on Oxygen, hospital sources said.  

Twenty one patients are also receiving treatment in the Intensive Care Unit (ICU) while 57 are under High Dependency Care (HDU).  At least 15 COVID-19 deaths have been reported today at the NHC, it is said.