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Table 2 Detected genotypes of GI in each situation

From: Variation of human norovirus GII genotypes detected in Ibaraki, Japan, during 2012–2018

Season

2012/2013

2013/2014

2014/2015

2015/2016

2016/2017

2017/2018

Total

GI

13

11

29

7

3

4

67

 C

6

4

13

4

 

2

29

 F

7

7

13

3

3

2

35

 E

  

1

   

1

 O

  

2

   

2

GI.2

1

3

10

4

0

0

18

 C

1

2

4

2

  

9

 F

 

1

5

2

  

8

 E

       

 O

  

1

   

1

GI.3

4

2

17

2

0

2

27

 C

  

8

2

 

1

11

 F

4

2

7

  

1

14

 E

  

1

   

1

 O

  

1

   

1

GI.4

0

3

1

0

0

1

5

 C

     

1

1

 F

 

3

1

   

4

 E

       

 O

       

GI.6

7

2

0

1

0

0

10

 C

5

1

    

6

 F

2

1

 

1

  

4

 E

       

 O

       

Other GI

1

1

1

0

3

1

7

 C

 

1

1

   

2

 F

1

   

3

1

5

 E

       

 O

       
  1. C childcare and educational facility, F food poisoning, E elderly nursing home, O others