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Int J Infect Dis. 2014 May;22:1-3. doi: 10.1016/j.ijid.2013.11.013. Epub 2014 Feb 25.

Correlation between reported human infection with avian influenza A H7N9 virus and cyber user awareness: what can we learn from digital epidemiology?

Author information

1
State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, School of Medicine, Zhejiang University, No. 79 Qingchun Road, Hangzhou 310031, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China.
2
State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, the First Affiliated Hospital, School of Medicine, Zhejiang University, No. 79 Qingchun Road, Hangzhou 310031, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China. Electronic address: ljli@zju.edu.cn.

Abstract

Data on the topic of novel avian influenza A (H7N9) were collected based on the web analysis tool 'Baidu Index', a major Chinese search engine. We found a positive correlation between the volume of H7N9-related 'cyber user awareness' and the epidemic situation during the H7N9 outbreak in China (r=0.98, p<0.01, cumulative; r=0.43, p=0.018, daily) except in the early stage; the ranks of H7N9-related topics changed at different epidemic stages. This study may improve our understanding of the role of web-based media in infectious disease surveillance in China.

KEYWORDS:

Avian influenza; Cyber user awareness; Epidemiology; Public health policy; Social networks

PMID:
24576842
DOI:
10.1016/j.ijid.2013.11.013
[Indexed for MEDLINE]
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