Recommended composition of influenza virus vaccines for use in the 2020 southern hemisphere influenza season
27 September 2019
| Meeting report

Overview
27 September 2019
It is recommended that quadrivalent vaccines for use in the 2020 southern hemisphere influenza season contain the following:
- an A/Brisbane/02/2018 (H1N1)pdm09-like virus;
- an A/South Australia/34/2019 (H3N2)-like virus;
- a B/Washington/02/2019-like (B/Victoria lineage) virus; and
- a B/Phuket/3073/2013-like (B/Yamagata lineage) virus.
It is recommended that trivalent influenza vaccines for use in the 2020 southern hemisphere influenza season contain the following:
- an A/Brisbane/02/2018 (H1N1)pdm09-like virus;
- an A/South Australia/34/2019 (H3N2)-like virus; and
- a B/Washington/02/2019-like (B/Victoria lineage) virus.
WHO Team
Global Influenza Programme (GIP)