From: Diversity and distribution of type A influenza viruses: an updated panorama analysis based on protein sequences
East Hemisphere
West Hemisphere
Total
H1.1d
289
1
290
H1.2c
162
1136
1298
H1.2c1
133
203
336
H1.2d2a
89
H1.2d2b
24
H1.2d2c
95
1233
1328
H3.2a
54
256
310
H3.2b1
68
H3.2b2
120
1056
1176