Spatial distribution characteristics of global highly pathogenic avian influenza H5N1 based on the spatial point pattern analysis

SUN Li-qian; XIA Cong-cong; LI Rui; HU Yi; LIN Sui-heng; XIONG Cheng-long; ZHANG Zhi-jie

doi:10.16462/j.cnki.zhjbkz.2016.06.005

Volume 20 Issue 6

Jun. 2016

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Article Navigation > CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION > 2016 > 20(6): 555-558,563

SUN Li-qian, XIA Cong-cong, LI Rui, HU Yi, LIN Sui-heng, XIONG Cheng-long, ZHANG Zhi-jie. Spatial distribution characteristics of global highly pathogenic avian influenza H5N1 based on the spatial point pattern analysis[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2016, 20(6): 555-558,563. doi: 10.16462/j.cnki.zhjbkz.2016.06.005

Citation:

SUN Li-qian, XIA Cong-cong, LI Rui, HU Yi, LIN Sui-heng, XIONG Cheng-long, ZHANG Zhi-jie. Spatial distribution characteristics of global highly pathogenic avian influenza H5N1 based on the spatial point pattern analysis[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2016, 20(6): 555-558,563. doi: 10.16462/j.cnki.zhjbkz.2016.06.005

Citation:

SUN Li-qian, XIA Cong-cong, LI Rui, HU Yi, LIN Sui-heng, XIONG Cheng-long, ZHANG Zhi-jie. Spatial distribution characteristics of global highly pathogenic avian influenza H5N1 based on the spatial point pattern analysis[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2016, 20(6): 555-558,563. doi: 10.16462/j.cnki.zhjbkz.2016.06.005

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Spatial distribution characteristics of global highly pathogenic avian influenza H5N1 based on the spatial point pattern analysis

doi: 10.16462/j.cnki.zhjbkz.2016.06.005

1. Department of Epidemiology, School of Public Health, Fudan University;Key Laboratory of Public Health Safety, Ministry of Education, School of Public Health, Fudan University;Laboratory for Spatial Analysis and Modeling, School of Public Health, Fudan University, Shanghai 200032, China;
2. Department of Biostatistics, School of Public Health, Fudan University, Shanghai 200032, China;
3. Department of Public Health Microbiology, School of Public Health, Fudan University, Shanghai 200032, China

Received Date: 2016-02-25
Rev Recd Date: 2016-04-10

Abstract

Abstract

Objective To explore the spatial distribution characteristics and identify high risk clusters, so as to provide scientific evidence for epidemic surveillance and trends of avian influenza H5N1. Methods H5N1 outbreak reported to World Organization for Animal Health (OIE) and the Food and Agriculture Organization (FAO) of the UN from January 2004 to December 2009 were collected. Spatial scan statistics and spatial clustering analysis were used to analyze the spatial distribution of HPAI H5N1. Results Spatial scan statistics showed that the epidemic distribution was non-random. 15 high risk clusters were detected, which were mainly concentrated in Central and Southern Europe, the Northeast of Africa, and the Southeast of Asia. Spatial clustering analysis showed that high risk clusters were mainly concentrated in Germany, France, Switzerland, Italy, and Southeast Asia region. Conclusions Clustering of H5N1 outbreaks was confirmed in this study, and high risk clusters were mainly concentrated in the Central and Southern Europe and the Southeast of Asia,where enhanced surveillance should be conducted. Birds migration may play a key role in H5N1 spreading across continents over a long distance.
- Epidemiology,
- Influenza in birds,
- Models, statistical,
- Statistical distributions

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References(25)

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