Recommended composition of influenza virus vaccines for use in the 2019 southern hemisphere influenza season

September 29, 2018

September 29, 2018 :
It is recommended that egg based quadrivalent vaccines for use in the 2019 southern hemisphere influenza season contain the following:

an A/Michigan/45/2015 (H1N1)pdm09-like virus;
an A/Switzerland/8060/2017 (H3N2)-like virus;
a B/Colorado/06/2017-like virus (B/Victoria/2/87 lineage); and
a B/Phuket/3073/2013-like virus (B/Yamagata/16/88 lineage).

It is recommended that egg based trivalent vaccines for use in the 2019 southern hemisphere influenza season contain the following:

an A/Michigan/45/2015 (H1N1)pdm09-like virus;
an A/Switzerland/8060/2017 (H3N2)-like virus; and
a B/Colorado/06/2017-like virus (B/Victoria/2/87 lineage).

It is recommended that the A(H3N2) component of non-egg based vaccines for use in the 2019 southern hemisphere influenza season be an A/Singapore/INFMH-16-0019/2016-like virus together with the other vaccine components as indicated above.

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