Clear and colourless solution.
One dose (0.5 mL) contains: Influenza virus haemagglutinin (HA) proteins, of the following strains*: A/Wisconsin/588/2019 (H1N1)pdm09 - like strain (A/Wisconsin/588/2019) 45 micrograms HA; A/Darwin/6/2021 (H3N2) - like strain (A/Darwin/6/2021) 45 micrograms HA; B/Austria/1359417/2021 - like strain (B/Austria/1359417/2021) 45 micrograms HA; B/Phuket/3073/2013 - like strain (B/Phuket/3073/2013) 45 micrograms HA.
* Produced by recombinant DNA technology using a baculovirus expression system in a continuous insect cell line that is derived from Sf9 cells of the fall armyworm, Spodoptera frugiperda.
This vaccine complies with the World Health Organization (WHO) recommendation (Northern Hemisphere) and EU recommendation for the 2022/2023 season.
Flublok may contain traces of octylphenol ethoxylate.
Excipients/Inactive Ingredients: Polysorbate 20 (E432), Sodium chloride, Monobasic sodium phosphate, Dibasic sodium phosphate, Water for injections.