ALRI

Conclusion Streptococcus pneumoniae infection was common in children with ALRI.

结论肺炎链球菌是儿童ALRI的常见病原。

Objective To expand our understanding of viral etiology of acute lower respiratory infection ( ALRI) in children under 6 years old in Beijing and investigate the association of human metapneumovirus ( hMPV) infection with ALRI and characteristics of pneumonia caused by this new respiratory virus.

目的了解北京地区6岁以下儿童中急性下呼吸道感染（ALRI）患儿的病毒感染状况；探讨人类偏肺病毒（hMPV）感染在儿童ALRI中的作用及所致支气管肺炎的临床特征。

RSV is the most common viral pathogen of ALRI, and PIV and IFV are less common.

RSV是冬春季节婴幼儿ALRI的主要病原体, 其次是流感病毒和副流感病毒.

Methods The respiratory syncytial virus ( RSV), influenza virus ( IFV) A and B, parainfluenza virus ( PIV) 1, 2 and 3 and adenovirus ( ADV) were detected in 2209 infants with ALRI by direct immunofluorescence method.

方法采用直接免疫荧光法检测2209例急性下呼吸道感染患儿呼吸道诱导痰中脱落纤毛柱状上皮细胞中的呼吸道合胞病毒、流感病毒A型及B型、副流感病毒1、2、3型、腺病毒。