Conclusion:
AVB is common cause of hospitalization among infants, RSV and rhinovirus commonly detected viruses, and 1/3rd cases required intensive care admission. Underlying comorbidity; presence of chest retractions, respiratory failure, lower oxygen saturation at admission; shock; and need of mechanical ventilation were independent predictors of PICU admission. Isolation of virus or co-infection were not associated with disease severity, PICU admission, or outcome.