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
A care worker and special constable has been jailed for attempted murder after lacing her colleagues' drinks with bleach.
A woman was attacked and killed by fire ants as she sat planning the funeral of her mother, who died the day before.
A group of primary school children witnessed a 17-year-old boy getting stabbed in the street, according to reports.