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Table 1 Comparison between reported data and simulated results by different interventions implemented in two outbreaks in Changsha, 2014

From: Evidence-Based interventions of Norovirus outbreaks in China

Intervention

TARa (%)

Cumulative cases

DOc(day)

%

95 % CIb

Outbreak 1

 Reported data

24.73

24.35-25.11

159

23

 Isolation

69.99

69.34-70.64

450

190

 Water disinfection

53.89

53.32-54.46

346

43

 Isolation + Water disinfection

24.93

24.54-25.32

160

23

 None

70.00

69.35-70.65

450

103

Outbreak 2

 Reported data

2.14

2.06-2.22

30

16

 Isolation

2.26

2.18-2.34

32

15

 School closure (7 days)

67.23

66.80-67.66

941

50

 School closure (8 days)

67.22

66.79-67.65

941

52

 School closure (9 days)

67.21

66.78-67.64

941

54

 School closure (10 days)

2.26

2.18-2.34

32

15

 Isolation + School closure (7 days)

2.26

2.18-2.34

32

15

 Isolation + School closure (8 days)

2.26

2.18-2.34

32

15

 Isolation + School closure (9 days)

2.26

2.18-2.34

32

15

 Isolation + School closure (10 days)

2.26

2.18-2.34

32

15

 None

67.45

67.02-67.88

944

39

  1. aTotal attack rate; bconfidence interval; cduration of outbreak