Genetic characterisation of influenza B viruses detected in Singapore, 2004 to 2009

BMC Research Notes

Table 1 Influenza B component of the bi-annual trivalent influenza vaccine (TIV) from 2004-2013

Year	Hemisphere	Strain	Lineage	Abbreviation
2012-2013	Northern	B/Wisconsin/1/2010	Yamagata	Vacc1213N B Wisconsin 01 2010
2012	Southern	B/Brisbane/60/2008	Victoria	Vacc0912NS B Brisbane 60 2008
2011-2012	Northern	B/Brisbane/60/2008	Victoria
2011	Southern	B/Brisbane/60/2008	Victoria
2010-2011	Northern	B/Brisbane/60/2008	Victoria
2010	Southern	B/Brisbane/60/2008	Victoria
2009-2010	Northern	B/Brisbane/60/2008	Victoria
2009	Southern	B/Florida/4/2006	Yamagata	Vacc0809NS B Florida 4 2006
2008-2009	Northern	B/Florida/4/2006	Yamagata
2008	Southern	B/Florida/4/2006	Yamagata
2007-2008	Northern	B/Malaysia/2506/2004	Victoria	Vacc0608NS B Malaysia 2506 2004
2007	Southern	B/Malaysia/2506/2004	Victoria
2006-2007	Northern	B/Malaysia/2506/2004	Victoria
2006	Southern	B/Malaysia/2506/2004	Victoria
2005-2006	Northern	B/Jiangsu/10/2003	Yamagata	Vacc0506N B Jiangsu 10 2003
2005	Southern	B/Shanghai/361/2002	Yamagata	Vacc0504N 05S B Shanghai 361 2002
2004-2005	Northern	B/Shanghai/361/2002	Yamagata
2004	Southern	B/Hong Kong/330/2001	Victoria	Vacc04S B Hong Kong 330 2001

The composition of the TIV is recommended bi-annually by the WHO. The influenza B component is often decided by HI inhibition assay of the prevalent influenza B virus currently circulating. The last column of this table lists the abbreviation used for each vaccine strain throughout this report.

ISSN: 1756-0500