Association of influenza virus isolation with environmental factors in mainland China based on remote sensing and GIS

Yuhuan Ren; Yalan Liu; Leiqiu Hu; Junchuan Fan; Xiaowen Li

doi:10.1117/12.910431

15 August 2011 Association of influenza virus isolation with environmental factors in mainland China based on remote sensing and GIS

Yuhuan Ren, Yalan Liu, Leiqiu Hu, Junchuan Fan, Xiaowen Li

Author Affiliations +

Proceedings Volume 8203, Remote Sensing of the Environment: The 17th China Conference on Remote Sensing; 82031C (2011) https://doi.org/10.1117/12.910431
Event: Seventeenth China Symposium on Remote Sensing, 2010, Hangzhou, China

Abstract

Although influenza is a common disease with characteristics of seasonality, the determinants of each season's onset, magnitude, and duration are poorly understood. This paper focuses on the role of environmental factors in spread and epidemic of seasonal influenza and explores the environmental explanatory factors for different types of influenza in mainland China. It also introduces satellite remote sensing as an important data obtaining approach, and highlights the potential of using satellite images for monitoring dynamics of climate and landscapes related to the spread of seasonal influenza. Applying Geographic Information System (GIS) technique combining with traditional statistical analysis, the paper uses influenza virus isolation rate (VIR) as the measure of influenza activity and analyzed its association with environmental factors. The results show that the spread and epidemic of influenza is influenced by various environmental factors, among which the temperature and humidity are seemed to be the determinants. However, the impacts of the environmental factors to different types of virus are varied. Low temperature and humidity conditions arere associated with a higher activity of both influenza A and B. On the contrary, high temperature and humidity conditions are associated with a higher activity of influenza A, but are associated with only a moderate or low, less consistent increase in the activity of influenza B. Recognition of this association could lead to better understanding of the mechanisms of emergence of influence epidemics and provide scientific evidence for controlling influenza.

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Yuhuan Ren, Yalan Liu, Leiqiu Hu, Junchuan Fan, and Xiaowen Li "Association of influenza virus isolation with environmental factors in mainland China based on remote sensing and GIS", Proc. SPIE 8203, Remote Sensing of the Environment: The 17th China Conference on Remote Sensing, 82031C (15 August 2011); https://doi.org/10.1117/12.910431

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KEYWORDS

Environmental sensing

Remote sensing

Humidity

Geographic information systems

MODIS

Surveillance

Data acquisition

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