Another 103 meat factory staff have tested positive for Covid-19 over the past week.
It brings the total number of cases in these plants to 925. The HSE says each cluster has been assigned a local outbreak team to manage the situation.
Meanwhile Visits to nursing homes may return sooner than planned.
The National Public Health Emergency Team says its aware of the impact the ban on visits is having on residents' mental health.
Outdoor visits while maintaining social distancing is one of the options being considered.
Currently visitors are not scheduled to return until phase three.
Chief medical officer Tony Holohan says they're trying to be 'creative' with this issue.