Table 3 Interval between first and second outbreak for the facilities with two repeated AG outbreaks

Total

149

32.3

107

0

 Same virus (Norovirus + Norovirus)

120

32.8

107

0

  Same genotype

23

36.1

83

0

    GII.2

2

(2 K/Ns)

41.5

83

0

    GII.3

1

(1 PS)

22

–

–

    GII.4

19

(3 K/Ns, 14 NHs, 1 hospital, 1 other)

34.9

83

0

    GII.6

1

(1 PS)

61

–

–

  Different genogroup or genotype

97

32.0

107

2

   Different genotype

71

31.3

107

2

    GII.2 + GII.3

8

(5 K/Ns, 3 PSs)

24.1

72

2

    GII.2 + GII.4

14

(9 K/Ns, 4 NHs, 1 warefare)

32.9

71

10

    GII.2 + GII.6

4

(2 K/Ns, 2 PSs)

34.0

35

32

    GII.2 + GII.14

5

(1 K/N, 4 PSs)

29.0

53

13

    GII.2 + GII.17

2

(1 K/N, 1 PS)

19.5

30

9

    GII.3 + GII.4

13

(12 K/Ns, 1 NH)

36.0

66

13

    GII.3 + GII.5

1

(1 K/N)

24

–

–

    GII.3 + GII.6

2

(1 K/N, 1 PS)

30.0

35

25

    GII.3 + GII.14

3

(2 K/Ns, 1 PS)

22.0

30

13

    GII.3 + GII.N.D.^b

1

(1 K/N)

54

–

–

    GII.4 + GII.6

6

(5 K/Ns, 1 NH)

21.0

23

4

    GII.4 + GII.14

4

(1 K/N, 3 PSs)

29.5

95

2

    GII.4 + GII.17

5

(3 NHs, 1 hospital, 1 other)

48.8

107

28

    GII.6 + GII.14

2

(2 PSs)

35.5

53

18

    GII.6 + GII.17

1

(1 PS)

14

–

–

   Different genogroup (GI + GII)

26

33.9

93

2

 Different virus

29

30.2

72

0

  Norovirus + Other virus (Sapovirus or RVA or RVC)

27

31.1

72

0

  RVA + Sapovirus

2

18.5

33

4