May 26
by
Marcus
in
Flu Vaccines

Recommended composition of influenza virus vaccines for use in the 2021 – 2022 northern hemisphere influenza season

Recommended composition of influenza virus vaccines for use in the 2021 – 2022 northern hemisphere influenza season
26 February 2021
It is recommended that quadrivalent vaccines for use in the 2021 – 2022 northern hemisphere influenza season contain the following:

Egg-based Vaccines

an A/Victoria/2570/2019 (H1N1)pdm09-like virus;
an A/Cambodia/e0826360/2020 (H3N2)-like virus;
a B/Washington/02/2019 (B/Victoria lineage)-like virus; and
a B/Phuket/3073/2013 (B/Yamagata lineage)-like virus.
Cell- or recombinant-based Vaccines

an A/Wisconsin/588/2019 (H1N1)pdm09-like virus;
an A/Cambodia/e0826360/2020 (H3N2)-like virus;
a B/Washington/02/2019 (B/Victoria lineage)-like virus; and
a B/Phuket/3073/2013 (B/Yamagata lineage)-like virus.
It is recommended that trivalent influenza vaccines for use in the 2021 – 2022 northern hemisphere influenza season contain the following:

Egg-based Vaccines

an A/Victoria/2570/2019 (H1N1)pdm09-like virus;
an A/Cambodia/e0826360/2020 (H3N2)-like virus; and
a B/Washington/02/2019 (B/Victoria lineage)-like virus.
Cell- or recombinant-based Vaccines

an A/Wisconsin/588/2019 (H1N1)pdm09-like virus;
an A/Cambodia/e0826360/2020 (H3N2)-like virus; and
a B/Washington/02/2019 (B/Victoria lineage)-like virus.