The city's commissioner for inspections, Elliott Marcus, told the New York Times the inspector had been on the job since June 2006 and was average in conducting about 60 inspections a month. He said all of her previous inspections will be revisited.
Last week, a television news crew recorded dozens of rats swarming through the restaurant in Greenwich Village when it was closed.
Health Commissioner Dr. Thomas Frieden said he didn't suspect any illegal activity, and said he blamed the restaurant owner, not the chain, for the rat infestation.
Until Tuesday, crowds gathered at the windows to peer inside, with some playing catch with a football-size plastic rat, and others scribbling graffiti about the chain's food on the city's closure notice, the Times said. The windows have since been covered with brown paper on the inside.