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Figure 1 | BMC Infectious Diseases

Figure 1

From: A large waterborne outbreak of campylobacteriosis in Norway: The need to focus on distribution system safety

Figure 1

Map of Røros with details on the waterworks and some events, which may have been relevant to the water contamination. The higher supply zone (RH) of the waterworks is marked with yellow, the lower (RL) with brown. Parts of the waterworks (schematic): underground wells (1), common collecting tank (2) and elevated reservoir (3). Events: maintenance work 30 April (A) with closed valve (B), maintenance work 2 May (C), firemen exercise at the airport 3 and 10 May (D), low pressure observed at slaughterhouse 3 and 10 May (E) and coliform bacteria proven in a tap water sample from dairy 9 May (F).

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