2009年甲型H1N1流感主要流行病学特征

被引:19
作者
涂文校 [1 ]
陈园生 [2 ]
卢亮平 [3 ]
苏琪茹 [1 ]
潘静彬 [1 ]
孙闪华 [4 ]
张海滨 [5 ]
机构
[1] 中国疾病预防控制中心疾病控制与应急处理办公室
[2] 中国疾病预防控制中心免疫规划中心
[3] 中国疾病预防控制中心传染病预防控制所,传染病预防控制国家重点实验室
[4] 中国疾病预防控制中心病毒病预防控制所
[5] 河北省秦皇岛市疾病预防控制中心
关键词
甲型H1N1流感; 流行病学; 病死率;
D O I
暂无
中图分类号
R511.7 [流行性感冒]; R181.3 [流行病学各论];
学科分类号
100401 ;
摘要
目的了解甲型H1N1流感流行病学特征。方法检索报告病例数超过1000例或者出现死亡病例国家发布的疫情报告,汇总数据、分析。结果甲型H1N1流感的感染对象中男女性各占50%,20岁以下人群约占60%;需要住院治疗的比例大约为9%,住院病例中约70%有基础性疾病或者特殊身体状况;病死率约0.4%~0.5%。结论甲型H1N1流感的感染对象无性别差异,年轻人易感,感染后导致疾病严重程度为中等,病死率随着年龄增大而增加,但也需要关注年轻患者;病毒传播与人际交往频繁程度有关;在夏季也可以传播,但秋冬季的传播速度更快。
引用
收藏
页码:906 / 909+914 +914
页数:5
相关论文
共 17 条
[1]  
Australian influenza report. Australian Government Department of Health and Aging. http://wwwhealthgovau/internet/main/publishingnsf/Content/cda-surveil-ozflu-flucurrhtm . 2009
[2]  
Influenza Surveillance. LYN FINELLI. http://wwwcdcgov/vaccines/recs/ACIP/downloads/mtg-slides-jun09/15-2-infpdf . 2009
[3]  
2008-2009Influenza Season Week26ending July4,2009. USCDC. http://wwwcdcgov/flu/weekly . 2009
[4]  
Novel H1N1Flu Situation Update. USCDC. http://wwwcdcgov/h1n1flu/updatehtm . 2009
[5]  
Spread of a novel influenza A (H1N1) virus via global airline transportation. Khan K,J Arino,W. Hu, et al. The New England Journal of Medicine . 2009
[6]  
Laboratory-confirmed cases of pandemic (H1N1)2009as officially reported to WHO by States Parties to the International Health Regulations. WHO. http://wwwwhoint/csr/don/2009-07-06/en/indexhtml . 2009
[7]  
Pandemic(H1N1)2009Outbreak Epidemiological Update. PHAC. http://wwwphac-aspcgcca/alert-alerte/swine-porcine/surveillance-engphp . 2009
[8]  
Human infection with new influenza A (H1N1)virus:clinical observations from a school-associated outbreak in Kobe,Japan,May2009. Weeklyepidemiological record . 2009
[9]  
Swine influenza A (H1N1) infection in two children–Southern California March-April 2009. Centers for Disease Control and Prevention (CDC). Morbidity and Mortality Weekly Report . 2009
[10]  
Analysis of influenza A (H1N1)v individual case reports in EUand EEAcountries Update. ECDC. http://wwwecdceuropaeu/en/files/pdf/Health-topics/0907-Influenza-A (H1N1)-Analysis-of-individual-data-EU-EEA-EFTApdf . 2009