| a case-cohort study to investigate concomitant waterborne outbreaks of campylobacter and gastroenteritis in söderhamn, sweden, 2002-3. | increased domestic, laboratory confirmed, campylobacter notifications were reported in siderhamn municipality, december 2002 and january 2003. concurrently, during preliminary investigations a large outbreak of acute gastroenteritis was detected. simultaneously, two studies were completed to identify risk factors for infection with campylobacter and acute gastrointestinal infection (agi): (1) a case-cohort study using campylobacter cases (n = 101) with a large random sample from the municipal po ... | 2006 | 17176812 |