Valneva says no conclusions to be drawn on its COVID shot from UK booster study




  • In US
  • 2021-12-03 15:30:53Z
  • By Reuters
 

PARIS (Reuters) - French biotech firm Valneva said on Friday that no conclusions should be drawn on the effectiveness of its COVID-19 vaccine candidate, known as VLA2001, from a new British study on booster shots.

The study said COVID-19 vaccines made by Pfizer and Moderna that use mRNA technology provide the biggest boost to antibody levels when given 10-12 weeks after the second dose.

Traders cited the study as the reason behind a fall of up to 24% in Valneva's shares on Friday.

"The setting in this study leads us to believe that COV-Boost does not allow any conclusions to be reached regarding the use of VLA2001 as a booster in a real-life setting," Valneva said in an e-mailed statement in response to a Reuters query.

"Valneva believes it is likely that the short interval between the second shot and booster shot could have adversely impacted the results for VLA2001, given that a longer interval is generally required for inactivated vaccines."

(Reporting by Silvia Aloisi, editing by Tassilo Hummel)

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