Fluarix Tetra Description

The suspension is colourless and slightly opalescent.
Influenza virus (inactivated, split) of the following strains*: A/Victoria/4897/2022 (H1N1)pdm09-like strain (A/Victoria/4897/2022, IVR-238) 15 micrograms HA**; A/Croatia/10136RV/2023 (H3N2)-like strain (A/Croatia/10136RV/2023, X-425A) 15 micrograms HA**; B/Austria/1359417/2021-like strain (B/Austria/1359417/2021, BVR-26) 15 micrograms HA**; B/Phuket/3073/2013-like strain (B/Phuket/3073/2013, wild type) 15 micrograms HA** per 0.5 ml dose.
* propagated in fertilized hens' eggs from healthy chicken flocks.
** haemagglutinin.
This vaccine complies with the World Health Organisation (WHO) recommendation (Northern Hemisphere) and EU recommendation for the 2025/2026 season.
Fluarix Tetra may contain traces of eggs (such as ovalbumin, chicken proteins), formaldehyde, gentamicin sulphate and sodium deoxycholate which are used during the manufacturing process (see Contraindications).
Excipients/Inactive Ingredients: Sodium chloride, disodium phosphate dodecahydrate, potassium dihydrogen phosphate, potassium chloride, magnesium chloride hexahydrate, RRR-α-tocopheryl hydrogen succinate, polysorbate 80, octoxinol 10 and water for injections.
Hydrocortisone, gentamicin sulphate, ovalbumin, formaldehyde and sodium deoxycholate are present as residuals from the manufacturing process.