{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T10:51:46Z","timestamp":1791197506070,"version":"4.1.0"},"reference-count":34,"publisher":"Cambridge University Press (CUP)","issue":"9","license":[{"start":{"date-parts":[[2010,1,13]],"date-time":"2010-01-13T00:00:00Z","timestamp":1263340800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Epidemiol. Infect."],"published-print":{"date-parts":[[2010,9]]},"abstract":"<jats:title>SUMMARY<\/jats:title><jats:p>Traditionally, the routine artificial digestion test is applied to assess the presence of<jats:italic>Trichinella<\/jats:italic>larvae in pigs. However, this diagnostic method has a low sensitivity compared to serological tests. The results from artificial digestion tests in Switzerland were evaluated over a time period of 15 years to determine by when freedom from infection based on these data could be confirmed. Freedom was defined as a 95% probability that the prevalence of infection was below 0\u00b70001%. Freedom was demonstrated after 12 years at the latest. A new risk-based surveillance approach was then developed based on serology. Risk-based surveillance was also assessed over 15 years, starting in 2010. It was shown that by using this design, the sample size could be reduced by at least a factor of 4 when compared with the traditional testing regimen, without lowering the level of confidence in the<jats:italic>Trichinella<\/jats:italic>-free status of the pig population.<\/jats:p>","DOI":"10.1017\/s0950268809991518","type":"journal-article","created":{"date-parts":[[2010,1,13]],"date-time":"2010-01-13T10:52:35Z","timestamp":1263379955000},"page":"1242-1251","source":"Crossref","is-referenced-by-count":16,"title":["Comparing the demonstration of freedom from<i>Trichinella<\/i>infection of domestic pigs by traditional and risk-based surveillance"],"prefix":"10.1017","volume":"138","author":[{"given":"M. E.","family":"SCHUPPERS","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C. 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