﻿第七节急性感染性喉炎急性感染性喉炎（acuteinfectiouslaryngitis）系喉黏膜急性弥漫性炎症，婴幼儿多见。
O O O O B-dis I-dis I-dis I-dis I-dis I-dis I-dis B-dis I-dis I-dis I-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O O O O O O O