The sIgE positive rates of the head and the body of Periplaneta americana were 17.3% and 13.4% and the sIgE positive rates of the head and the body of Periplaneta fuliginosa were 12.1% and 9.6% respectively.

• 美洲大蠊头部和体部sIgE阳性率分别为17.；3%25和13