General information of the patient
The selected patient was a 25-year-old female who has no history of smoke/drink/asthma/ diabetes/autoimmune disease/blood system disease/heart disease/surgery/blood transfusion, and has no experience of upper respiratory tract infection or application of corticosteroids/ antihistamines in recent half year. The patient has been diagnosed as allergic to dust mite only, with a symptom of urticaria. Lung function and blood routine examination were also performed. The lung function was normal, but the blood routine showed that the proportion and quantity of eosinophils increased. Detailed information were showed in Table E1.