At least one cat in Colorado and another in New York became sick after consuming one of the boxes. Though the Colorado case, in which the cat later recovered, tested negative for the the virus, testing is still underway for the New York case.

The latest not-food-in-your-food recall pulls Lean Cuisine and Stouffer’s frozen meals from shelves at Walmart, Publix, Kroger, Kroger-owned chains and other grocers. As explained by Nestle USA’s recall notice, customers told Nestle about meals with “wood-like material,” and there has been “one potential choking incident” so far.