Thursday, Pfizer Inc (NYSE:PFE) announced top-line Abrysvo vaccine efficacy and safety data for respiratory syncytial virus (RSV) in adults 60 years of age and older following a second season in the Northern and Southern Hemispheres from the ongoing pivotal Phase 3 trial RENOIR.
Vaccine efficacy against RSV-associated lower respiratory tract disease (LRTD), defined by three or more symptoms, after disease surveillance in season two was 77.8%.
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Vaccine efficacy following season one was 88.9%, demonstrating durable efficacy after ...