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Table 3 Temporal distribution of the 33,018 HA sequences of IAVs in HA subtypes

From: Diversity and distribution of type A influenza viruses: an updated panorama analysis based on protein sequences

 

1900s

1910s

1920s

1930s

1940s

1950s

1960s

1970s

1980s

1990s

2000s

2010s

Total

H1

 

1

 

17

17

14

6

131

105

182

3940

6614

11,027

H2

     

33

39

20

61

57

134

113

457

H3

      

27

147

169

348

2040

6440

9171

H4

     

1

 

52

51

42

651

408

1205

H5

     

1

5

21

46

66

1708

1438

3285

H6

      

5

65

67

91

970

456

1654

H7

1

 

3

3

1

2

5

33

31

208

679

738

1704

H8

      

2

3

5

3

113

33

159

H9

      

1

13

26

90

648

1681

2459

H10

    

1

1

1

8

28

20

358

239

656

H11

     

2

 

23

46

66

279

182

598

H12

       

9

15

3

126

49

202

H13

       

7

33

16

91

78

225

H14

        

2

  

20

22

H15

       

5

4

 

1

2

12

H16

       

4

11

6

54

102

177

H17

          

2

1

3

H18

           

2

2

Total

1

1

3

20

19

54

91

541

700

1198

11,794

18,596

33,018

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Virology Journal

ISSN: 1743-422X