Foodstuffs has confirmed two of its Pams products, Mesclun Salad Lettuce and Fresh Express Lettuce, were named in a report listing possible sources of a food poisoning epidemic.
There have been 127 confirmed cases of yersinia pseudotuberculosis and 38 people have been hospitalised as a result of the stomach bug.
Environmental and Scientific Research (ESR) reports have been provided for the Ministry for Primary Industries (MPI) updating the possible source.