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Figure 1: Bronchiolitis admissions seasonality over study years.
Figure 2: Annual trends in hospitalizations, need for respiratory support, HFNC, and mechanical ventilation. Absolute numbers are shown by histograms while the corresponding rates *100 bronchiolitis are expressed by lines.
Figure 3 : Out-seasonal cases (May-August) of bronchiolitis and RSV-bronchiolitis over the years.
Fig.4: HFNC use and need for mechanical ventilation among RSV bronchiolitis comparing the 2022-2023 season and the previous five years.