Table 2.

Components of 2010–2014 Trivalent Influenza Vaccines

Viral Component
Influenza A
Year	H1N1	H3N2	Influenza B
2010	A/California/7/2009 (H1N1)pdm09-like	A/Perth/16/2009 (H3N2)-like	B/Brisbane/60/2008-like (B/Victoria/2/87 lineage)
2011	A/California/7/2009 (H1N1)pdm09-like	A/Perth/16/2009 (H3N2)-like	B/Brisbane/60/2008-like (B/Victoria/2/87 lineage)
2012	A/California/7/2009 (H1N1)pdm09-like	A/Victoria/361/2011 (H3N2)-like	B/Wisconsin/01/2010-like (B/Yamagata/16/88 lineage)
2013	A/California/7/2009 (H1N1)pdm09-like	A/Victoria/361/2011-(like cell propagated)	B/Massachusetts/2/2012-like (B/Yamagata/16/88 lineage)
2014	A/California/7/2009 (H1N1)pdm09-like	A/Texas/50/2012 (H3N2)-like virus	B/Massachusetts/2/2012-like (B/Yamagata/16/88 lineage)