The analysis of clinical character in different age patients suffered from A-H1N1
10.3760/cma.j.issn.1003-9279.2010.03.019
- VernacularTitle:不同年龄人群感染甲型H1N1流感病毒临床特征分析
- Author:
Yan ZHAO
1
;
Yong-Hong ZHANG
;
Lian-Chun LIANG
;
Xin ZHANG
;
Qiang ZHANG
;
Yue-Ke ZHU
;
Yan LIU
;
Xia FENG
;
Dong-Mei MA
;
Yu-Fen TAN
;
Hao WU
;
Hui-Ping YAN
Author Information
1. 首都医科大学附属北京佑安医院
- Keywords:
Influenza A virus;
Innuenza/complications;
Lymphocytes
- From:
Chinese Journal of Experimental and Clinical Virology
2010;24(3):218-220
- CountryChina
- Language:Chinese
-
Abstract:
Objective To describe the feature of different age patients with A-H1N1.Methods Cross-sectional study was performed in 95 patients who were confirmed to be infected with A-H1N1 from May,2009 to July,2009,in according to their age.Results The average age of patients with A-H1N1 infection was 23.44±14.73.Accumulative prevalence in children and young adult reached 74.7% of total patients.There was a trend that the subclinical infection rate raised gradually from 0-15 years group to over 45 years group.The percent of lymphocyte in 0-15 years group was significantly higher than other age groups,P=0.039.The average time of virus shedding were 6.5±2.10 days (from 2 days to 12 days),and there were no significant difference in diverse age groups,P=0.272.13 out of 95(13.7%)patients presented complications related with A-H1N1 infection,and 4 of 6 patients complicated with pneumonia were in the 0-15 years group.Conclusion The distribution of age in A-H1N1 infection is markedly different from seasonal influenza,with more cases in school children and young adults and fewer cases in older adults. Flu-like symptoms in children were apparent and pneumonia was the major complication in children.
