Consumer group Which? said supermarket bosses should "hang their heads in shame" after the level of campylobacter contaminated chickens was revealed by the FSA.
These results are a damning indictment of supermarkets and consumers will be rightly shocked at the failure of trusted household brands to stem the tide of increasingly high levels of campylobacter.
It's now vital that the industry cleans up its act and works hard to restore consumer confidence. We want to see supermarkets not only publishing effective plans that tackle these scandalously high levels but also demonstrate they're taking real action to make chicken safe.
Consumer groups say the presence of campylobacter's in so much supermarket chicken should shame Britain's biggest grocery chains.
Latest tests on fresh chicken being sold at major supermarkets show contamination of campylobacter has increased.