The influenza strains included in the 2020 quadrivalent vaccine are the following:
- A/Brisbane/02/2018 (H1N1) pdm09-like virus
- A/South Australia/34/2019 (H3N2)-like virus
- B/Washington/02/2019-like virus
- B/Phuket/3073/2013-like virus
There are two funded quadrivalent vaccines available for eligible persons for different age groups
- Afluria Quad – for eligible adults and children 3 years and older
- Afluria Quad Junior – for eligible children age 6 months to 35 months