Evidence map›Paper›PMID 42042318›Full record

ArticleInfectious disease reports2026

A Blood-Based Interferon Viral Score Defines Acute RSV Bronchiolitis in Infants.

Ilaria Galliano, Stefania Alfonsina Liguori, Anna Pau, Paola Montanari, Cristina Calvi, Anna Clemente, Anna Massobrio, Claudia Linari, Stefano Gambarino, Alessandra Conio and 1 more

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Article in Infectious disease reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

11 authors.

Ilaria GallianoDepartment of Public Health and Pediatric Sciences, University of Turin, 10100 Turin, Italy.ORCID 0000-0002-1273-3178
Stefania Alfonsina LiguoriEarly Infancy Special Care Unit, Regina Margherita Children Hospital, 10126 Turin, Italy.
Anna PauDepartment of Public Health and Pediatric Sciences, University of Turin, 10100 Turin, Italy.ORCID 0009-0002-5430-6008
Paola MontanariDepartment of Public Health and Pediatric Sciences, University of Turin, 10100 Turin, Italy.
Cristina CalviDepartment of Public Health and Pediatric Sciences, University of Turin, 10100 Turin, Italy.
Anna ClementeDepartment of Public Health and Pediatric Sciences, University of Turin, 10100 Turin, Italy.
Anna MassobrioLaboratory Medicine, Regina Margherita Children's Hospital, 10126 Turin, Italy.
Claudia LinariLaboratory Medicine, Regina Margherita Children's Hospital, 10126 Turin, Italy.
Stefano GambarinoDepartment of Public Health and Pediatric Sciences, University of Turin, 10100 Turin, Italy.
Alessandra ConioEarly Infancy Special Care Unit, Regina Margherita Children Hospital, 10126 Turin, Italy.
Massimiliano BergalloDepartment of Public Health and Pediatric Sciences, University of Turin, 10100 Turin, Italy.ORCID 0000-0002-9291-1332

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundRespiratory syncytial virus (RSV) is the leading cause of bronchiolitis and hospitalization in infancy. Reliable biomarkers reflecting host antiviral responses and disease dynamics are still lacking.

methodsWe evaluated the expression of the interferon-stimulated genes IFI44L, IFI27, and RSAD2 in peripheral blood of infants hospitalized with RSV bronchiolitis at admission and discharge, and in healthy controls, using multiplex RT-qPCR. A composite interferon-based Viral Score was derived from coordinated ISG expression.

resultsAll three ISGs and the Viral Score were markedly elevated during acute RSV infection at hospital admission compared with discharge and healthy controls. Following clinical recovery, ISG expression and Viral Score declined significantly and approached baseline levels. The Viral Score clearly discriminated acute infection from recovery and healthy states, reflecting dynamic systemic interferon activation.

conclusionsA Viral Score based on IFI44L, IFI27, and RSAD2 captures systemic antiviral immune responses in infants with RSV bronchiolitis and declines with disease resolution. This interferon-based host-response signature represents a promising biomarker for defining viral infection status and monitoring disease dynamics in pediatric respiratory infections.

Indexed as

host-response biomarkersinterferon-stimulated genespediatric respiratory infectionsRSV bronchiolitisviral score

Identifiers

PMID42042318
PMCPMC13115770

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.