Tuesday, 03 October 2023

Clover Biopharma launches quadrivalent influenza vaccine in Mainland China

13 September 2023 | News

Second commercialised product strengthens Clover’s leading respiratory vaccine franchise and financial profile

Image credit: shutterstock

Image credit: shutterstock

Clover Biopharmaceuticals has announced the launch of AdimFlu-S (QIS) in mainland China, where it is the only imported quadrivalent seasonal influenza vaccine approved for use in individuals aged three years and older.

To date, the QIS vaccine has been listed in 26 provinces and municipalities in China, ready for commercialisation. Sales are expected to be accretive to Clover’s financials starting in 2023 and contribute meaningful growth in 2024 and beyond. 

AdimFlu-S (QIS) is a quadrivalent split inactivated vaccine that can be used for the prevention of influenza. It contains hemagglutinin from four influenza virus strains (two A and two B).

This quadrivalent make-up improves its ability to achieve high vaccine effectiveness, regardless of which influenza B strain becomes seasonally prevalent, when compared to trivalent options.  AdimFlu-S (QIS) gained approval from the China National Medical Products Administration in January 2022, for its use in individuals aged three years and older.

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