• A large community outbreak of waterborne giardiasis- delayed detection in a non-endemic urban area 

      Nygård, Karin; Schimmer, Barbara; Søbstad, Øystein; Walde, Anna; Tveit, Ingvar; Langeland, Nina; Hausken, Trygve; Aavitsland, Preben (BMC Public Health 6(141), Peer reviewed; Journal article, 2006-05-25)
      Background: Giardia is not endemic in Norway, and more than 90% of reported cases acquire the infection abroad. In late October 2004, an increase in laboratory confirmed cases of giardiasis was reported in the city of ...