Maternal RSVpreF Vaccine Reduces Infant Hospitalizations
Analysis based on 8 articles · First reported Jun 05, 2026 · Last updated Jun 18, 2026
The positive real-world data on the RSVpreF vaccine's effectiveness is expected to boost investor confidence in Pfizer and other pharmaceutical companies developing similar vaccines. Increased adoption of maternal RSV vaccination could lead to significant revenue growth for Pfizer and reduce healthcare costs associated with infant hospitalizations, positively impacting the healthcare industry.
A study led by the University of Pittsburgh and University of Pittsburgh Medical Center, funded by Pfizer and the United States — National Institutes of Health, and published in JAMA Network Open, has provided compelling real-world evidence that maternal vaccination with the RSVpreF vaccine significantly reduces RSV-associated hospitalizations in infants. The study, led by Anne-Marie Rick, found that the vaccine, approved by the United States — Food and Drug Administration in 2023, is approximately 68% effective against RSV-associated acute respiratory illness hospitalization and 69% effective against lower respiratory tract disease hospitalization in infants 90 days or younger. This breakthrough offers a new preventive strategy against RSV, a leading cause of infant hospitalizations in the United States.
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