[1] World Health Organization. Emergencies—disease outbreak news (DONs). 2024. https://www.who.int/emergencies/disease-outbreak-news. [2024-5-11].
[2] Chinese Center for Disease Control and Prevention. Technical program for public health risk assessment of emergencies (trial). 2017. https://www.chinacdc.cn/jkzt/tfggwssj/gl/201708/t20170810_149318.html. [2024-6-4]. (In Chinese). 
[3] Kaya GK, Ward J, Clarkson J. A review of risk matrices used in acute hospitals in England. Risk Anal 2019;39(5):1060 − 70. https://doi.org/10.1111/risa.13221CrossRef
[4] Shang WJ, Jing WZ, Liu J, Liu M. Global epidemic of ebola virus disease and the importation risk into China: an assessment based on the risk matrix method. Biomed Environ Sci 2023;36(1):86 − 93. https://doi.org/10.3967/bes2023.008CrossRef
[5] Zhang YP. Public health risk assessment of Hankou river beach park during the 7th CISM Military World Games [dissertation]. Wuhan: Wuhan University; 2020. http://dx.doi.org/10.27379/d.cnki.gwhdu.2020.000510. (In Chinese). 
[6] Gray G, Bron D, Davenport ED, d’Arcy J, Guettler N, Manen O, et al. Assessing aeromedical risk: a three-dimensional risk matrix approach. Heart 2019;105(Suppl 1):s9 − 16. https://doi.org/10.1136/heartjnl-2018-313052CrossRef
[7] Liu J, Liu M. Focus on epidemics of infectious diseases, prevention of risk of cross-border transmission. Chin J Epidemiol 2022;43(7):1049 − 52. https://doi.org/10.3760/cma.j.cn112338-20220125-00073CrossRef
[8] World Health Organization. Lassa fever. 2017. https://www.who.int/news-room/fact-sheets/detail/lassa-fever. [2024-5-10].
[9] Erameh CO, Koch T, Edeawe OI, Oestereich L, Omansen T, Jochum J, et al. Focussed Assessment with Sonography in acute Lassa Fever (FASLa): development of a point-of-care protocol and description of common ultrasound findings. J Infect 2023;87(1):27 − 33. https://doi.org/10.1016/j.jinf.2023.04.008CrossRef
[10] Ministry of Education, Department of International Cooperation and Exchange. Concise statistics of international students in 2018. Ministry of Education, Department of International Cooperation and Exchange. 2018.
[11] United Nations World Tourism Organization. Tourism statistics. https://www.e-unwto.org/toc/unwtotfb/current. [2024-6-1].
[12] National Bureau of Statistics of China. China statistical yearbook 2019: 17-13 foreign inbound tourists by country. China Statistics Press, 2019. [2024-6-1]. https://www.stats.gov.cn/sj/ndsj/2019/indexch.htm. (In Chinese). 
[13] Garry RF. Lassa fever - the road ahead. Nat Rev Microbiol 2023;21(2):87 − 96. https://doi.org/10.1038/s41579-022-00789-8CrossRef
[14] Malik S, Bora J, Dhasmana A, Kishore S, Nag S, Preetam S, et al. An update on current understanding of the epidemiology and management of the re-emerging endemic Lassa fever outbreaks. Int J Surg 2023;109(3):584 − 6. https://doi.org/10.1097/JS9.0000000000000178CrossRef
[15] Yaro CA, Kogi E, Opara KN, Batiha GES, Baty RS, Albrakati A, et al. Infection pattern, case fatality rate and spread of Lassa virus in Nigeria. BMC Infect Dis 2021;21(1):149. https://doi.org/10.1186/s12879-021-05837-xCrossRef
[16] Du MX, Li Y, Zhao HT, Liu FF, Huang XX, Li MS, et al. Risk assessment of public health emergencies concerned in China, April 2024. Dis Surveil 2024;39(4):395 − 7. https://doi.org/10.3784/jbjc.202404220250CrossRef