text: <unk>  must be differentiated from other upper respiratory diseases and conditions that cause airway obstruction around the larynx, as well as those that present similar symptoms to influenza.
option_0: Differentiating croup from other diseases
option_1: Cough differential diagnosis
option_2: Differentiating otitis media from other diseases
option_3: Drug allergy differential diagnosis
option_4: Differentiating acute viral nasopharyngitis from other diseases
option_5: Allergy differential diagnosis
option_6: Rhinitis differential diagnosis
option_7: Silicosis differential diagnosis