It is the first vaccine to demonstrate its efficacy against the Omicron variant.

Sanofi’s Covid-19 vaccine candidate, containing the Beta antigen, presented a 72% efficacy in adults against the Omicron variantthe French drugmaker said on Friday, citing data collected in a study.

In detail, the vaccine candidate has an efficacy of 64.7% against symptomatic infections in adults and a 75.1% efficacy in participants previously infected with Covid-19.

With @GSKwe’re announcing a successful study with our beta-containing #COVID19 vaccine candidate, reporting positive efficacy data against the #Omicron varying.

—Sanofi (@sanofi) June 24, 2022

Towards commercialization this year

“Sanofi-GSK’s vaccine is the first candidate to demonstrate its efficacy, in a placebo-controlled trial and in a context of high circulation of the Omicron variant”said the company, which is developing the vaccine jointly with Britain’s GSK, in a statement.

New data supporting its booster vaccine will be subject to regulatory authoritiesadded Sanofi, which reiterated its intention to start marketing its vaccine later this year.

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