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A colourless clear liquid, filled in single-dose syringes.
Influenza virus surface antigens (inactivated) (haemagglutinin and
neuraminidase) 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** per 0.5 ml dose.
* propagated in fertilised hens' eggs from healthy chicken flocks.
** haemagglutinin.
This vaccine complies with the World Health Organisation (WHO) recommendation (southern hemisphere) and competent authority decision for the 2025 season. For a full list of excipients see Excipients/Inactive Ingredients as follows.
Influvac 2025 may contain traces of eggs (such as ovalbumin, chicken proteins), formaldehyde, cetyltrimethylammonium bromide, polysorbate 80 or gentamicin, which are used during the manufacturing process (see Contraindications).
Excipients/Inactive Ingredients: Potassium chloride, potassium dihydrogen phosphate, disodium phosphate dihydrate, sodium chloride, calcium chloride dihydrate, magnesium chloride hexahydrate and water for injections.
