The 2020/2021 flu season saw a significant rise in local healthcare workers availing of the seasonal flu vaccine.
New data from the HPSC states that 6 out of 7 regional hospitals saw an increase to the rate of eligible staff taking the jab compared to the year previous.
According to the HSE, there were no cases of the flu in healthcare settings over the winter period last year.
With the country now entering a new flu season, health experts are urging the public and those at risk to get the flu vaccine to keep the strain off the nation's hospitals.
The health service is warning of the shortage of ICU beds this winter as Covid cases rise ahead of a relaxation of health restrictions.
Monaghan Hospital saw the highest levels of flu vaccination among staff at 81% of their 99 healthcare workers, an increase of 18%.
72% of the Midlands Regional Hospital's eligible staff received the influenza jab last year up 11% on the 2019/2020 flu season.
Cavan General Hospital saw the region's only drop in vaccination rates, with 70% of the facilities staff receiving the jab, down from 72% the year before.
Sligo University Hospital saw a significant increase to the uptake at 21% more staff availing of the protection.
Their vaccination rate of 65% was closely followed by Tullamore Hospital at 64%, where 1,271 staff of the vaccine.
Portiuncula Hospital in Ballinasloe reported 64% of their 966 eligible staff took the jab, up one percent from the previous year.
The lowest figure in the region was Roscommon University Hospital, where 60% of the staff availed of the influenza vaccine, an increase of 7% from the previous flu season.]