Objective To roughly evaluate the prevalence of cockroach allergy in outpatients with allergic asthma or rhinitis, and to compare the positive reactivity from two different kinds of cockroaches, i.e. Periplaneta fuliginosa and Periplaneta americana.

• 目的对门诊蟑螂过敏性哮喘发病情况进行粗略判断 ,并以对黑胸大蠊与美洲大蠊抗原皮肤反应性作一比较。