Mullingar's Professor Kingston Mills says it shows the positive effect of vaccination.
The number of people with Covid-19 in ICU is at its lowest level this year.
23 patients with the virus are currently in intensive care, while 59 people are in hospital - the lowest in nearly 9 months.
398 new cases of the disease have been confirmed in the Republic.
Trinity College Dublin Professor of Immunology, Mullingar's Kingston Mills says the drop in hospital numbers is due to vaccination: