WHO released the recommended composition of influenza virus vaccines for use in the 2025-2026 northern hemisphere influenza season. They are:

  • an A/Victoria/4897/2022 (H1N1)pdm09-like virus;
  • an A/Wisconsin/67/2022 (H1N1)pdm09-like virus;
  • an A/Croatia/10136RV/2023 (H3N2)-like virus;
  • an A/District of Columbia/27/2023 (H3N2)-like virus;
  • a B/Austria/1359417/2021 (B/Victoria lineage)-like virus;
  • a B/Phuket/3073/2013 (B/Yamagata lineage)-like virus.

At Immune Tech, we provide the following 2025-2026 seasonal flu HA proteins —

IT-003-00120ΔTMp
IT-003-00120p
IT-003-00121ΔTMp
IT-003-00121p
IT-003-00447ΔTMp
IT-003-00447p
IT-003-00448ΔTMp
IT-003-00448p
IT-003-B23ΔTMp
IT-003-B23p
IT-003-B11ΔTMp
IT-003-B11p