Influenza A Virus A/Victoria/4897/2022 IVR-238 (H1N1) antigen (formaldehyde inactivated)

DB17994Approved

Influenza A Virus A/Victoria/4897/2022 IVR-238 (H1N1) antigen (formaldehyde inactivated) is a component of an inactivated influenza vaccine. The influenza vaccine, also known as the "flu shot", is a vaccine that helps to protect against infection from influenza viruses.

First approval
United States, 2023 · European Union, 2025
Brand names
  • Fluad
  • Fluzone 2023-2024
  • Fluzone 2024-2025
  • Fluzone Quadrivalent
  • Fluzone Trivalent 2025 Southern Hemisphere

Resolves to

What you can answer from here — as of September 01, 2026

2Clinical trialsPhase, status and sponsor resolved per trial
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43Marketed productsAcross 2 countries and 6 labellers
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Which companies are running trials of Influenza A Virus A/Victoria/4897/2022 IVR-238 (H1N1) antigen (formaldehyde inactivated), in which indications and phases, and which of those programs are still active?

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