Recommended composition of influenza virus vaccines for use in the 2019-2020 northern hemisphere influenza season
21 February 2019
| Meeting report
Overview
21 February 2019 (updated on 21 March 2019)
It is recommended that egg based quadrivalent vaccines for use in the 2019-2020 northern hemisphere influenza season contain the following:
- an A/Brisbane/02/2018 (H1N1)pdm09-like virus;
- an A/Kansas/14/2017 (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 the influenza B virus component of trivalent vaccines for use in the 2019-2020 northern hemisphere influenza season be a B/Colorado/06/2017-like virus of the B/Victoria/2/87-lineage.
* The A(H3N2) component was recommended on 21 March 2019.
WHO Team
Global Influenza Programme (GIP)