The Education Minister says "targetted measures" will be introduced if schools need help getting substitute teachers.
Some principals have raised concerns they'll be faced with further shortages due to new isolation rules.
The change means household close contacts of a confirmed case - including teachers - will have to stay at home for 5 days.
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Minister Norma Foley, who is a Kerry Fianna Fáil TD, says every effort will be made to find more subs:
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