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Non-Pharmacological Interventions During SARS-CoV-2 Pandemic: Effects on Pediatric Viral Respiratory Infections.

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Introduction
Viral lower respiratory tract infections frequently cause morbidity and mortality in children. The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) pandemic led to isolation and hygiene measures, resulting in decreased respiratory virus transmission and pediatric admissions. This study aimed to assess the impact of these measures and their uplifting on respiratory virus circulation in children before and during the SARS-CoV-2 pandemic (January 2017-December 2022).
Methods
We conducted a weekly time series analysis of multiple virus molecular assays in children. This included those admitted to a university reference hospital's Pediatric Intensive Care Unit (PICU) and those with risk pathologies exhibiting fever and/or respiratory symptoms. We included patients aged 0-18 years residing in Catalonia and adjusted the positive results to account for diagnostic effort.
Results
We performed a total of 2991 respiratory virus tests during the period. Confinement significantly decreased the detection of all viruses, especially Rhinovirus (RV). After the deconfinement of children, the viral detection trend remained stable for all viruses, with no short-term impact on virus transmission. The mandatory implementation of facemasks in those aged ≥6 years led to decreased viral circulation, but we observed an influenza virus rebound after facemask removal. At that time, we also noticed an interrupted drop in the detection rates of RV and respiratory syncytial virus (RSV). The reopening of schools led to a progressive increase in viral detections, especially of Rhinovirus.
Conclusion
Non-pharmacological interventions significantly impact the circulation of respiratory viruses among children. We observed these effects even when some measures did not specifically target preschool-aged children.

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Archivos de Bronconeumologia, 2024, vol. 60, num.10, p. 612-618

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cc-by-nc-nd (c) Armero, Georgina et al., 2024

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Articles publicats en revistes (Cirurgia i Especialitats Medicoquirúrgiques)

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Non-Pharmacological Interventions During SARS-CoV-2 Pandemic: Effects on Pediatric Viral Respiratory Infections.