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Table 1 Relationship between reproduction number (R) and infection control measures in 29 schools in Matsumoto City, Japan

From: High vaccination coverage is associated with low epidemic level of seasonal influenza in elementary schools: an observational study in Matsumoto City, Japan

School Number

Number of Children

Number Infected

R

Vaccination

Wearing mask

Hand washing

Gargling

1

382

30

1.04

0.47

0.48

0.77

0.64

2

931

107

1.06

0.48

0.53

0.80

0.65

3

37

6

1.09

0.34

0.41

0.75

0.72

4

167

56

1.22

0.44

0.39

0.73

0.66

5

14

7

1.39

0.11

0.22

1.00

0.89

6

410

86

1.12

0.44

0.44

0.75

0.68

7

662

98

1.08

0.47

0.45

0.80

0.71

8

791

187

1.14

0.40

0.53

0.79

0.69

9

890

173

1.11

0.50

0.47

0.81

0.71

10

305

48

1.09

0.54

0.43

0.79

0.67

11

904

91

1.05

0.47

0.60

0.80

0.71

12

154

57

1.25

0.34

0.48

0.73

0.68

13

453

61

1.07

0.62

0.53

0.82

0.73

14

663

106

1.09

0.55

0.55

0.77

0.66

15

338

54

1.09

0.53

0.51

0.78

0.72

16

602

139

1.14

0.46

0.48

0.77

0.67

17

650

120

1.11

0.50

0.47

0.80

0.69

18

259

55

1.12

0.52

0.76

0.76

0.70

19

423

53

1.07

0.57

0.48

0.78

0.66

20

127

51

1.28

0.46

0.49

0.83

0.77

21

30

0

N/A

0.52

0.41

0.70

0.52

22

352

29

1.04

0.41

0.37

0.76

0.70

23

889

259

1.18

0.47

0.75

0.80

0.71

24

335

91

1.17

0.48

0.67

0.81

0.72

25

364

46

1.07

0.47

0.64

0.77

0.65

26

438

134

1.19

0.40

0.51

0.77

0.64

27

508

100

1.11

0.41

0.38

0.84

0.74

28

703

210

1.19

0.50

0.51

0.80

0.71

29

436

94

1.13

0.54

0.43

0.82

0.68