Joseph A. Lewnard and researchers from Novavax, Princeton University, and CDDEP conducted a study that found RSV vaccine in pregnancy lowers antibiotic use in babies . It implicates RSV (Respiratory syncytial virus) as an important contributor to microbial exposure among infants and demonstrates that this exposure is preventable by use of effective maternal vaccines against RSV. Administering an RSV vaccine to pregnant mothers reduced antimicrobial prescribing among their infants by 12.9% over the first 3 months of life.Antimicrobial resistance (AMR) is a significant threat to human health and well-being. As human consumption of antimicrobial drugs contributes to the emergence and expansion of AMR, strategies to reduce antimicrobial use in situations where it is avoidable or unnecessary are a focus of AMR action plans. Understanding the potential for new vaccines to mitigate antimicrobial prescribing and AMR burden could inform priority-setting in vaccine development, evaluation, and approval.
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