The Food Safety Authority of Ireland (FSAI) has released details of the closure orders served on businesses.
For the first time, the FSAI also released copies of the HSE environmental officer inspector reports that led to the closures, as part of its announcement.
The Spar shop at 23 Upper Baggot Street in Dublin was issued with a closure order on September 27. The order was lifted the following day.
"A grave and immediate danger to food supply exists in this food business due to the significant rodent infestation.
"Rats can transmit dangerous pathogens through their droppings and urine," the inspector said. "A significant number of rat droppings found in the basement and some droppings found on the shop floor.
"Pest-proofing issues exist throughout the premises. Risk of contamination of food products exist," the report found.
Chens Oriental Taste, in Rochfortbridge, Co Westmeath, also had its closure order lifted after a day. It had been served with the notice on September 28, due to a list of issues.
The report also identified a leaking ceiling in the kitchen area and missing wall tiles.
Indian restaurant Akash, on George's Avenue in Blackrock, Dublin was also served with a closure order after the kitchen was found to have an infestation of cockroaches. Its closure order was issued on September 26 and was lifted on October 6.