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Updated: Jan 7, 2026
An Improved and High Throughput Respiratory Syncytial Virus RSV Micro-neutralization Assay
Published on: January 26, 2019
Healthcare Utilization in Children Following Hospitalization for RSV- Versus Non-RSV Related Lower Respiratory Tract
Guy Hazan1,2, Mai Ofri1,3, Lital Hertz4
1Faculty of Health Sciences, Ben-Gurion University, Beer-Sheva, Israel.
Introduction:
Respiratory syncytial virus (RSV) is a leading cause of lower respiratory tract infections (LRTIs) in young children. Additionally, RSV is associated with long-term respiratory morbidities. This study evaluates acute and long-term healthcare utilization (HCU) in infants hospitalized with RSV-associated LRTI (RSV-LRTI) compared to non-RSV LRTI (Non-RSV-LRTI) in a nationwide cohort.
Methods:
A retrospective case-control study used data from Clalit Healthcare Services (CHS), Israel's largest healthcare provider. Infants born between 2015 and 2023, admitted before 12 months of age with LRTI during the RSV season, were included. PCR confirmed RSV-LRTI cases, while controls had negative RSV PCR and positive PCR for other respiratory viruses. Acute HCU was assessed within 30 days post-discharge. Long-term respiratory-related HCU was evaluated up to 6 years of age. Statistical analyses included Poisson regression, adjusting for demographic and clinical potential confounders.
Results:
A total of 8626 infants were included, with 4,951 in the RSV-LRTI group and 3675 in the Non-RSV-LRTI group. The adjusted acute HCUs were higher in RSV-LRTI cases with increased systemic steroid use (IRR = 2.25, 95%CI: 1.94-2.62, p < 0.001) and short-acting beta-agonist use (IRR = 3.80, 95%CI: 3.36-4.30, p < 0.001). The adjusted long-term HCU trends persisted, with significantly higher use of respiratory-related medications and pediatric pulmonologist visits (IRR = 1.21, 95%CI: 1.06-1.40, p = 0.006) in the RSV-LRTI group.
Conclusion:
This nationwide study highlights the substantial acute and long-term HCU burden associated with RSV-LRTI compared to Non-RSV-LRTI, underscoring the need for effective preventive strategies for all infants, especially in the first months of life.
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