Circolazione precoce e alta del Virus Influenza A accanto a una riduzione della prevalenza del Virus Sinciziale Respiratorio in pazienti pediatrici che frequentano il reparto di emergenza durante l'autunno 2025.

The recent implementation of preventive strategies against Respiratory Syncytial Virus (RSV) in infants has raised questions about potential changes in RSV seasonality and the circulation of other respiratory viruses. This study aimed to compare respiratory virus activity among paediatric patients presenting to the Bambino Gesù Children's Hospital (Rome, Italy), with respiratory symptoms and available BioFire Respiratory Panel 2.1 plus results during September-December 2024 (N = 670) and 2025 (N = 905). RSV detection decreased significantly in December 2025 compared with the same period in 2024 (6.3% vs 29.4%, risk ratio [RR]: 0.21, 95% confidence interval [CI] 0.16-0.28; p < 0.001). By cont