The researchers were able to identify about half a million cases of food poisoning every year attributable to 13 specific pathogens. However, 10 million cases of infectious intestinal disease (IID) a year are not yet attributed to a specific pathogen. If these cases had similar rates attributable to food then this would bring the overall figure to in excess of a million cases a year.
Professor Sarah O'Brien, the study's lead researcher from the University of Liverpool, said: 'These findings will help the FSA to target its resources more effectively in tackling food poisoning. They confirm that the FSA is right to put campylobacter at the top of its priority list. It is the biggest food safety problem we have and more needs to be done to tackle it.'
Steve Wearne, Director of Policy at the FSA, said: 'This study is a very important part of the research we fund to increase our knowledge of food safety and the risks that all of us are exposed to. Reduction of campylobacter is our top food safety priority, and that is borne out by this research. We recently revised our campylobacter strategy and we, in collaboration with industry, must now push on to find the solutions that will stop so many people getting ill.'
The research is an extension of the IID2 study, published in September 2011, which estimated the numbers of cases of IID in the UK. The IID2 extension was commissioned by the FSA to use the data generated from the IID2 study, and other sources, to estimate the burden of foodborne disease in the UK.