【摘 要】
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Dear Editors,rnIn recent years,human adenovirus(HAdV)infection has been prevalent in various regions in China(Duan et al.2021).Research in Guangzhou reported that 9.14％of fatal pneumonia cases showed HAdV-PCR positive(Ou et al.2007).The severity and high
【机 构】
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Department of Respiratory Medicine,Ministry of Education Key Laboratory of Child Development and Dis
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Dear Editors,rnIn recent years,human adenovirus(HAdV)infection has been prevalent in various regions in China(Duan et al.2021).Research in Guangzhou reported that 9.14％of fatal pneumonia cases showed HAdV-PCR positive(Ou et al.2007).The severity and high mortality caused by HAdV have aroused the attention of pediatricians.Plastic bron-chitis(PB)is a critical disease characterized by the for-mation of the casts of the bronchial tree that obstructs the airway,while the pathogenesis is not yet clear.PB is divided into two types according to its pathological mani-festations(Seear et al.1997),in which type Ⅰ(inflamma-tory)is composed of fibrin and a large number of inflammatory cells(eosinophils,neutrophils,etc.),and it occurs in infectious disease mostly.
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