Year | Dominant Subtype | pH1N1 | H3N2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Number of positive samples (WHO) | Number of sequences analyzed (NCBI) | Vaccine strain | Number of positive samples (WHO) | Number of sequences analyzed (NCBI) | Vaccine strain | ||||
H1 | N1 | H3 | N2 | ||||||
2009 | pH1N1 | 21,586 | 132 | 97 | A/California/07/2009 | 1093 | 22 | 5 | A/Brisbane/10/2007 |
2010 | pH1N1 | 4136 | 68 | 42 | A/California/07/2009 | 280 | 1 | 1 | A/Brisbane/10/2007 |
2011 | pH1N1 | 3717 | 36 | 36 | A/California/07/2009 | 2183 | 22 | 22 | A/Perth/16/2009 |
2012 | H3N2 | 660 | 27 | 29 | A/California/07/2009 | 2373 | 37 | 32 | A/Perth/16//2009 |
2013 | pH1N1 | 4395 | 33 | 32 | A/California/07/2009 | 1568 | 13 | 8 | A/Victoria//361/2011 |
2014 | pH1N1 | 3559 | 25 | 25 | A/California/07/2009 | 2883 | 40 | 33 | A/Texas/50/2012 |
2015 | pH1N1 | 9742 | 157 | 79 | A/California/07/2009 | 1688 | 47 | 23 | A/Switzerland/9715293/2013 |
2016 | pH1N1 | 8320 | 60 | 2 | A/California/07/2009 | 4784 | 47 | 8 | A/Hong Kong/4801/2014 |
2017 | pH1N1 | 10,143 | – | – | A/Michigan/45/2015 | 3891 | 10 | – | A/Hong Kong/4801/2014 |
Total | 66,228 | 538 | 342 | 20,743 | 239 | 132 |