Airports, highways and COVID-19: An analysis of spatial dynamics in Brazil.
Airports, highways and COVID-19: An analysis of spatial dynamics in Brazil.
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DOI：
10.1016/j.jth.2021.101067
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发表时间：
2021-06
影响因子：
3.6
通讯作者：
Feliciano do Carmo R
中科院分区：
文献类型：
--
作者：
Freire de Souza CD;Machado MF;Gonçalves da Silva Junior A;Bastos Rolim Nunes BE;Feliciano do Carmo R
新型冠状病毒的高传播性和传染性、无症状传播者的高比例以及人们通过不同的运动机制快速和持续的空间位移，都是可能导致COVID-19传播的因素。本研究旨在描述COVID-19在巴伊亚州的地理分布，以及主要机场和高速公路在疾病传播动态中的重要性。这是一项生态研究，涉及2020年3月6日（首例登记病例日期）至5月16日期间在巴伊亚州登记的所有COVID-19病例。收集后，进行探索性空间分析，考虑到每个流行病学周最后一天积累的病例。首批COVID-19病例集中在该州三个重要机场综合体的服务区域，分别位于萨尔瓦多、伊列乌斯和波尔图塞古罗。从第16-20周开始，COVID-19向该州内陆地区的扩张更加激烈。观察到全球空间自相关（I Moran 0.2323; p = 0.01），距离的影响：距离小于205.8 km（I Moran 0.040; p = 0.01）和大于800 km（I Moran 0.080; p = 0.01）时呈正相关。根据COVID-19在巴伊亚州的空间分布模式，穿越该州的机场和高速公路是疾病传播的原因。
The high transmissibility and infectivity of the new coronavirus, the high proportion of asymptomatic transmitters and the rapid and continuous spatial displacement of people, by the different mechanisms of locomotion, are elements that can contribute to the dissemination of COVID-19. This study aims to describe the geographical dispersion of COVID-19 in the state of Bahia and the importance of major airports and highways in the dynamics of disease transmission. This is an ecological study involving all cases of COVID-19 registered in the state of Bahia between March 6, date of the first registered case and May 16, 2020. After collection, an exploratory spatial analysis was performed, considering the cases accumulated on the last day of each epidemiological week. The first cases of COVID-19 were concentrated in areas served by three important airport complexes in the state, located in Salvador, Ilhéus and Porto Seguro. From week 16–20, there was a more intense expansion of COVID-19 to the interior of the state. A global spatial autocorrelation was observed (I Moran 0.2323; p = 0.01), with the influence of distance: positive correlation at distances less than 205.8 km (I Moran 0.040; p = 0.01) and greater than 800 km (I Moran 0.080; p = 0.01). Based on the spatial dispersion pattern of COVID-19 in the state of Bahia, airports and highways that cross the state were responsible for the interiorization of the disease.
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影响因子：
158.5
作者：
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通讯作者：
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影响因子：
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作者：
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作者：
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