The Chief Medical Officer of the Department of Health, Dr Tony Holohan, said that 54% of people lost in the last week were aged between 24 and 55.
The median age of people in intensive care units is 62-63 years. The median age of all those who have died so far is 84, he said.
It was also confirmed today that two others have died of Covid-19 in the North and that there are four new cases.
This means that 526 people have died of the disease in the north and there are 4,732 confirmed cases.