Impact of RSV Preventive Strategies on Hospitalizations for Bronchiolitis in Infants

This study aimed to evaluate the impact of newly implemented RSV preventive strategies, including nirsevimab and a vaccine for pregnant women, on the clinical severity and viral epidemiology of bronchiolitis in hospitalized infants. The findings indicated that post-intervention infants experienced milder illness, shorter hospital stays, and lower rates of RSV infection compared to pre-intervention infants, suggesting a positive effect of these preventive measures. Additionally, the study highlights the need for ongoing surveillance to assess the long-term outcomes of these interventions.