From: Debate on the compositions of influenza B in northern hemisphere seasonal influenza vaccines
Year | HA | NA | Vaccine strain | Lineage | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Total | VCa | YMb | Unkc | Total | VC | YM | Unk | |||
10/11 | 794 | 467 | 114 | 213 | 704 | 436 | 102 | 166 | B/Brisbane/60/2008-like | VC |
11/12 | 688 | 197 | 204 | 287 | 567 | 176 | 168 | 223 | B/Brisbane/60/2008-like | VC |
12/13 | 1208 | 234 | 709 | 265 | 699 | 171 | 458 | 70 | B/Wisconsin/1/2010-like | YM |
13/14* | 584 | 115 | 245 | 224 | 503 | 112 | 219 | 172 | B/Massachusetts/2/2012-like | YM |
14/15* | 1196 | 109 | 898 | 189 | 849 | 107 | 651 | 91 | B/Massachusetts/2/2012-like | YM |
15/16* | 2427 | 1269 | 739 | 419 | 1948 | 1098 | 714 | 136 | B/Phuket/3073/2013-like | YM |
16/17* | 1624 | 822 | 652 | 150 | 1406 | 746 | 599 | 61 | B/Brisbane/60/2008-like | VC |
17/18* | 5575 | 722 | 4300 | 553 | 4269 | 623 | 3483 | 163 | B/Brisbane/60/2008-like | VC |