The kids are all from primary schools the Marskramer and De Scharmhof. they were visiting the Annen park for a few days.
On Friday about 40 children were suffering from diarrhea, nausea and headaches. Over the weekend another 15 fell sick. GGD doctor Jorien Van Pelt confirmed that they were infected with the highly contagious virus.
Public health service GGD believes that one sick child infected the rest. All children who start showing symptoms are advised to stay at home.