The use of air travel data for predicting dengue importation to China: A modelling study

被引:21
作者
Findlater, Aidan [1 ]
Moineddin, Rahim [2 ]
Kain, Dylan [3 ]
Yang, Juan [4 ]
Wang, Xiling [4 ]
Lai, Shengjie [4 ,5 ,6 ]
Khan, Kamran [2 ,3 ]
Bogoch, Isaac I. [3 ,7 ]
机构
[1] McMaster Univ, Dept Med, Hamilton, ON, Canada
[2] St Michaels Hosp, Li Ka Shing Knowledge Inst, Toronto, ON, Canada
[3] Univ Toronto, Dept Med, Toronto, ON, Canada
[4] Fudan Univ, Sch Publ Hlth, Key Lab Publ Hlth Safety, Minist Educ, 130 Dong An Rd, Shanghai 200032, Peoples R China
[5] Univ Southampton, Dept Geog & Environm, WorldPop, Univ Rd, Southampton SO17 1BJ, Hants, England
[6] Flowminder Fdn, Roslagsgatan 17, SE-11355 Stockholm, Sweden
[7] Univ Hlth Network, Div Gen Internal Med & Infect Dis, Toronto, ON, Canada
基金
中国国家自然科学基金;
关键词
Dengue; Air travel; Epidemics; Communicable diseases; Imported; China; Arboviruses; Travel-related illness; AEDES-AEGYPTI; REEMERGENCE; VIRUS; TRANSMISSION; SPREAD; FEVER;
D O I
10.1016/j.tmaid.2019.07.002
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Background: Dengue virus importation from abroad is still the main driver of dengue incidence in China. Using global flight data to model importation may improve our understanding and prediction of dengue virus importation and onward transmission. Methods: A retrospective analysis was performed of surveillance cases of dengue infections imported to China and volume of air traffic to China for the years 2005 through 2014, inclusive. The data were aggregated by year, destination province, and source country. Descriptive statistics were calculated, and a random effects negative binomial model was created to predict the number of imported cases based on the volume of travelers from dengue-endemic countries. Results: There were 1,822 cases of imported dengue infections over the study period. Most imported cases are from a small number of high-incidence countries with a large volume of travel to China, most notably Myanmar (22% of cases). The number of imported cases of dengue infections increased by 5.9% for every 10% increase in travel volume from dengue-endemic countries. Conclusion: Patterns of air travel have a measurable impact on the importation of dengue to China. Modelling dengue importation risk may be a useful strategy to direct public health surveillance and interventions.
引用
收藏
页数:4
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