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Weimin Lyu, Kongfu Wei, Dongpeng Liu, Weizhong Zhou, Weirong Wang, Qingrong Chen. Spatiotemporal clustering of anthrax in Gannan Tibetan autonomous prefecture of Gansu, 2011–2017[J]. Disease Surveillance, 2019, 34(1): 32-36. DOI: 10.3784/j.issn.1003-9961.2019.01.009
Citation: Weimin Lyu, Kongfu Wei, Dongpeng Liu, Weizhong Zhou, Weirong Wang, Qingrong Chen. Spatiotemporal clustering of anthrax in Gannan Tibetan autonomous prefecture of Gansu, 2011–2017[J]. Disease Surveillance, 2019, 34(1): 32-36. DOI: 10.3784/j.issn.1003-9961.2019.01.009
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Spatiotemporal clustering of anthrax in Gannan Tibetan autonomous prefecture of Gansu, 2011–2017

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    • Abstract
  • Objective To analyze the spatial distribution and spatial clustering of anthrax in Gannan Tibetan autonomous prefecture of Gansu province from 2011 to 2017.
    Methods The incidence rate of anthrax in Gannan from 2011 to 2017 was used to calculate the global Moran’s I and local G statistics and analyze its spatiotemporal distribution characteristics at township level.
    Results The spatial correlation in the incidence rate of anthrax was found in Gannan from 2011 to 2017, and the hot spot areas were mainly in some townships of Maqu, Luqu, Xiahe and Zhuoni counties. Spatiotemporal analysis showed that high incidence of anthrax clustered most likely in 25 townships of Maqu, Luqu and Xiahe ciunties during 2015−2017 (LLR＝260.09, RR＝12.91, P＜0.001).
    Conclusion Results from this study indicated that the spatiotemporal clustering of anthrax incidence was obvious during 2011−2017. Maqu, Luqu and Xiahe were the key areas in anthrax prevention and control in Gannan of Gansu.
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