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应用碱性磷酸酶抗碱性磷酸酶桥联酶标法（ＡＰＡＡＰ）检测２００例毛细支气管炎鼻咽分泌物（ＮＰＳ）脱落细胞７种病毒抗原。结果表明，病毒检测总阳性率８５．５％，阴性１４．５％。呼吸道合胞病毒（ＲＳＶ）阳性率３８％。其后依次为腺病毒（Ａｄｖ）、流感病毒Ａ（ＦｌｕＡ）／副流感病毒１．３型（ＰＩＶ１，３）、ＦｌｕＢ，ＰＩＶ２型。两种病毒混合感染占１０．５％，以Ｒｓｖ＋Ａｄｖ为多见。结论：毛细支气管炎感染原以呼吸道病毒为主，ＲＳＶ和Ａｄｖ占绝大多数．混合感染也不容忽视。
Alkaline phosphatase anti-alkaline phosphatase (APAAP) was used to detect seven kinds of viral antigens in 200 exfoliated cells of the nasopharyngeal secretions (NPS) of bronchiolitis. The results showed that the total positive rate of virus detection 85.5%, negative 14.5%. Respiratory syncytial virus (RSV) positive rate of 38%. Followed by adenovirus (Adv), influenza virus A (FluA) / parainfluenza virus type 1.3 (PIV1,3), FluB, PIV2 type. Mixed infection of the two viruses accounted for 10.5%, more common with Rsv + Adv. Conclusions: The majority of bronchiol infections are respiratory viruses, most of which are RSV and Adv. Mixed infections can not be ignored.