Paul Reid of the HSE confirmed the measure yesterday.
Covid-19 testing of 3,500 staff in meat processing factories in the midlands will begin today.
It's after numerous clusters of the virus were detected in these plants.
Further south, in Co Tipperary, ABP confirmed yesterday another eight staff at its factory in Cahir tested positive for the virus.
Independent Roscommon/Galway TD Denis Naughten says the latest clusters in meat plants are unacceptable:
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