Which components were included in the trivalent 2016-2017 Northern Hemisphere vaccine against H1N1 influenza (swine flu)?
Components of 2016-2017 Northern Hemisphere vaccine • A/California/7/2009 (H1N1)pdm09-like • A/Hong Kong/4801/2014(H3N2)-like virus • B/Brisbane/60/2008-like virus (B/Victoria lineage)