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
As Donald Trump becomes the 45th US President, ITV News takes a look back on the historical day so far.
The Duke of Cambridge is to end his role as an air ambulance pilot and become a full-time Royal, Kensington Palace has announced.
The UN released the before and after images and described the damage, reportedly caused by Islamic State, as 'a new war crime'.