They've also agreed close contact rules for children might be eased at the end of September.
NPHET has given the go-ahead for restrictions to ease on Monday, as planned.
That includes the phased return to workplaces, and further relaxation of rules on indoor and outdoor activities.
NPHET also today considered whether guidelines for close contacts can be eased.
They've agreed these rules might be eased for children by the end of this month, and by the end of October for adults.
Over 12,000 pupils are currently absent from school because they've been in contact with a confirmed case.

Both Edenderry Gardaí Released From Hospital As Local Station Remains Closed
Person Airlifted To Hospital Following Collision On The M9 In Carlow
Prison Officers Close To Industrial Action Amid Pay Dispute
Man Appears In Court Charged With Stabbing Of Woman In Waterford Church
Man Due In Court This Morning Charged With Serious Assault Of Woman In Waterford Church
Nationwide Hosepipe Ban In Place From Friday
Court Hears How Garda Was Left With Tennis Ball-Sized Lump On His Forehead After Assault In Dublin City
Man Appears In Court After Public Order Incident In Louth Yesterday