The three children's hospitals in the city have seen a spike in those attending their EDs and admissions to impatient beds.
Crumlin and Temple Street Children's Hospitals along with the National Children's Hospital in Tallaght have issued a statement this evening.
This week has seen particularly high levels of activity.
There's been an increase in young children and infants presenting with respiratory infections, in particular a viral infection known as Respiratory Syncitial Virus.
The three children’s EDs are open, but patients attending may experience longer delays.
