The COVID lead for the South/South West Hospital Group says University Hospital Waterford is working with UPMC Whitfield to maintain essential services.
It comes as the National Public Health Emergency Team is meeting later to discuss how best to segregate patients with coronavirus.
One area being discussed is establishing COVID-19 and non-coronavirus hospitals to stop the spread among healthcare staff and patients.
Dr Orla Healy spoke to WLR News:
"We, in the hospital group and in Waterford in particular, are doing our absolute best to maximise our capacity to deal with what's ahead.
"We're now utilising the Dunmore Wing and we're now working our partners in Whitfield so that we can deliver services across all our hospitals.
"This will ensure that we can care for COVID patients and we can maintain essential services for patients with other conditions."
Dr Healy also says the numbers of people attending University Hospital Waterford are down.
The South/South West Hospital Group is asking people to behave responsibly so that we can avoid our hospitals being overwhelmed.
She says they can see the pressure hospitals are under across Europe.
"The numbers of people attending the hospital are down, people are staying away unless they absolutely need to be there.
"We can see the pressure on hospitals all over Europe where countries are just one to two weeks ahead of us in the progress of COVID.
"We want to remind people that the things they do today as individuals will impact our ability as a hospital system and as a health service to cope in the weeks ahead."
Dr Healy is asking people to play their part.
"It's clear to my colleagues who are contact tracing cases that the number of people, even over the course of two weeks, the number of people that a diagnosed case is in contact with now is far, far less. This is as a direct result of people taking a responsible approach and avoiding social gatherings, maintaining their distance, staying at home and only going out when they absolutely need to go out. When they're out, they're keeping a distance of two metres from other people."