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Foreign and domestic travel and the risk of Campylobacter infection: results from a population-based sentinel surveillance scheme.

The United Kingdom Food Standards Agency aims to reduce foodborne illness by 20% in 5 years from April 2001, and similar initiatives are in place around the globe. Key to achieving this will be reducing campylobacter infections. Policymakers need to be able to differentiate cases preventable through measures taken by their own countries from travel-associated cases. As routine surveillance underestimates this proportion, the reduction in infection acquired in the home country cannot be assessed accurately. In broader health protection terms, identifying risks for acquiring campylobacter infection amongst travelers is also important, so as to reduce the risk where practical. Using data from a large population-based sentinel surveillance scheme, we aimed to assess the impact of travel away from home within or outside the United Kingdom on the overall burden of campylobacter infection.