Strong RSV Vaccine Results Gives GSK An Edge Over Rival Pfizer

But Competition Will Be Fierce

GSK looks to have established an efficacy edge over its rivals in developing a vaccine against the respiratory syncytial virus, but analysts expect early 2023 approvals to spark a closely fought contest.

GSK House, August 2022
Employees at the GSK's HQ in London. Its RSV candidate could be a $2bn blockbuster, and has been boosted by the new efficacy data. • Source: GSK

GSK looks to have the edge over rival Pfizer in the respiratory syncytial virus (RSV) vaccine field, with its candidate producing strong results in preventing the infection in older adults in a Phase III trial.

GSK has revealed an overall vaccine efficacy of 82.6% for its adjuvanted RSVPreF3 OA investigational vaccine in the AReSVi-006 (Adult...

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