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Table 3 Attack rates (AR) in interviewed institutions in Røros (n = 11)

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

Waterworks zone

Institution

Number of personnel

Number of others*

AR % staff

AR % others*

AR % total

RH

kindergarten 1

2

14

0

0

0

 

care centre 1

17

16

6

6

6

 

nursing home

70

60

14

10

12

RL

care centre 2

60

28

8

7

8

 

hospital

95

24

13

0

10

 

rehabilitation centre

61

60

8

12

10

 

kindergarten 2

21

76

19

16

16

 

kindergarten 3

13

44

0

23

18

 

kindergarten 4

12

47

17

23

22

 

after school care

17

145

35

21

22

 

kindergarten 5

5

20

40

45

44

  1. AR: attack rate, RH: higher zone, RL: lower zone of Røros waterworks
  2. * others = residents or hospitalized or children