Rules around isolation under review.
At least 8,500 HSE staff are absent due to Covid-19.
However, the Head of the HSE, Paul Reid says the true figure could be double that.
It comes as NPHET meet to discuss potentially changing the length of time close contacts have to isolate.
The requirement of people to restrict movements is believed to be putting increasing pressure on different parts of the economy due to people being unable to attend work.
At present, close contacts who have received a booster are required to restrict movements for five days and undertake three antigen tests over several days.
The Government requested public health officials review the isolation rules as businesses and essential services struggle to cope without staff.

Two Health Insurance Companies To Increase Their Prices From April, With Families Facing A Likely €180-€330 Increase
Nearly 320,000 People Behind On Electricity Bills In 2025
Kildare Ministers Martin Heydon And James Lawless Declare Rental Income In 2025
IFA Plan Large Protest This Saturday In Newbridge
Gardaí Say 'Current' Phase Of Searches Linked To Missing Deirdre Jacob And Jo Jo Dullard Have Ended
Former US Soldier, Michael Kelley, Charged In Connection With Death Of Kerry Man Michael Gaine
Father Punched In Head And Child Pushed To Ground During Newbridge Assault
Education Officials Insist Damning Celbridge Primary School Findings Require "Peer Review"