Vaccine

Vaccine composition 

 

On 24 September 2021, WHO published recommendations for the components of influenza vaccines for use in the 2022 southern hemisphere influenza season:

 

The WHO recommends that quadrivalent vaccines for use in the 2022 influenza season in the southern hemisphere contain the following:

 

Egg-based Vaccines

 

·      an A/Victoria/2570/2019 (H1N1)pdm09-like virus;

·      an A/Darwin/9/2021 (H3N2)-like virus;

·      a B/Austria/1359417/2021 (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/Darwin/6/2021 (H3N2)-like virus;

·      a B/Austria/1359417/2021 (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 2022 southern hemisphere influenza season contain the following:

 

Egg-based vaccines

 

·      an A/Victoria/2570/2019 (H1N1)pdm09-like virus;

·      an A/Darwin/9/2021 (H3N2)-like virus; and

·      a B/Austria/1359417/2021 (B/Victoria lineage)-like virus.

 

Cell- or Recombinant-based vaccines

 

·      an A/Wisconsin/588/2019 (H1N1)pdm09-like virus;

·      an A/Darwin/6/2021 (H3N2)-like virus; and

·      a B/Austria/1359417/2021 (B/Victoria lineage)-like virus

The full report is published here

 

 

On 25 February 2022, WHO published recommendations for the components of influenza vaccines for use in the 2022-2023 northern hemisphere influenza season:

 

The WHO recommends that quadrivalent vaccines for use in the 2022-2023 influenza season in the northern hemisphere contain the following:

 

Egg-based Vaccines

 

·      an A/Victoria/2570/2019 (H1N1)pdm09-like virus;

·      an A/Darwin/9/2021 (H3N2)-like virus;

·      a B/Austria/1359417/2021 (B/Victoria lineage)-like virus; and

·      a B/Phuket/3073/2013 (B/Yamagata lineage)-like virus.

 

Cell culture- or recombinant-based Vaccines

 

·      an A/Wisconsin/588/2019 (H1N1)pdm09-like virus;

·      an A/Darwin/6/2021 (H3N2)-like virus;

·      a B/Austria/1359417/2021 (B/Victoria lineage)-like virus; and

·      a B/Phuket/3073/2013 (B/Yamagata lineage)-like virus.

 

 

The WHO recommends that trivalent vaccines for use in the 2022-2023 influenza season in the northern hemisphere contain the following:

 

Egg-based vaccines

·      an A/Victoria/2570/2019 (H1N1)pdm09-like virus;

·      an A/Darwin/9/2021 (H3N2)-like virus; and

·      a B/Austria/1359417/2021 (B/Victoria lineage)-like virus.

 

Cell culture- or recombinant-based vaccines

·      an A/Wisconsin/588/2019 (H1N1)pdm09-like virus;

·      an A/Darwin/6/2021 (H3N2)-like virus; and

·      a B/Austria/1359417/2021 (B/Victoria lineage)-like virus