GSK, Pfizer present key durability data for RSV shots, as CDC panel scrutinizes rival vaccines
GSK and Pfizer provided the first looks on Wednesday at how long-lasting protection from their respiratory syncytial virus vaccines could be for older adults, presenting new clinical data in front of a Centers for Disease Control and Prevention advisory group.
Both revealed clinical data that generally showed a single dose of their vaccines protecting into a second season, albeit with some level of waning efficacy, helping answer a key unknown for the shots. GSK’s data, in particular, suggested a single dose provides protection through two seasons and that a booster dose after a year may not provide additional benefit.
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