<unk>  <unk>  is a usually transient condition characterized by bilateral conjunctivitis, facial edema, and upper respiratory symptoms following influenza immunization. Symptoms typically appear 2 to 24 hours after vaccination and resolve within 48 hours of onset.
Oculo-respiratory syndrome
Croup
Acute HME syndrome
Upper airway resistance syndrome
Hyperventilation syndrome
Central hypoventilation syndrome
Respiratory bronchiolitis
Acute respiratory distress syndrome