Waitrose would be "very happy" for results on chicken which has tested positive for a food poisoning bug to be made public, once a full year of data is available.
In response to the FSA-report into the bug, a spokesperson said: "Results for individual retailers have not been disclosed as full year results will be available early next year."
They added: "We're very happy for our results to be made public when there is a full year of data available."
They also recommended that customers follow the advice from the Food Standards Agency on campylobacter.
More top news
Stan Lee, the man behind comic book legends including Spider-Man and the X-Men, has died aged 95, his daughter has told US media.
Heavy rain arriving across the north and west on Tuesday evening and clearing away on Wednesday morning.
A teaser trailer for Toy Story 4 appeared online on Monday, leaving fans in a frenzy.