References
Andreassen, H.K., M.M. Bujnowska-Fedak, C.E. Chronaki, R.C. Dumitru, I. Pudule, S. Santana, H. Voss, and R. Wynn, 2007: European citizens’ use of E-health services: a study of seven countries. BMC Public Health 7, 53, DOI: 10.1186/1471-2458-7-53.
Anema, A., S. Kluberg, K. Wilson, R.S. Hogg, K. Khan, S.I. Hay, A.J. Tatem, and J.S. Brownstein, 2014: Digital surveillance for enhanced detection and response to outbreaks. Lancet Infect. Dis. 14, 1035–1037, DOI: 10.1016/S1473-3099(14)70953-3.
Brownstein, J.S., C.C. Freifeld, and L.C. Madoff, 2009: Digital disease detection–harnessing the Web for public health surveillance. N. Engl. J. Med.360, 2153–2155, 2157, DOI: 10.1056/NEJMp0900702.
Carneiro, H.A., and E. Mylonakis, 2009: Google trends: a web-based tool for real-time surveillance of disease outbreaks. Clin. Infect. Dis. Off. Publ. Infect. Dis. Soc. Am. 49, 1557–1564, DOI: 10.1086/630200.
Diaz, J.A., R.A. Griffith, J.J. Ng, S.E. Reinert, P.D. Friedmann, and A.W. Moulton, 2002: Patients’ use of the Internet for medical information. J. Gen. Intern. Med. 17, 180–185, DOI: 10.1046/j.1525-1497.2002.10603.x.
Dong, E., H. Du, and L. Gardner, 2020: An interactive web-based dashboard to track COVID-19 in real time. Lancet Infect. Dis. 20, 533–534, DOI: 10.1016/S1473-3099(20)30120-1.
Effenberger, M., A. Kronbichler, J.I. Shin, G. Mayer, H. Tilg, and P. Perco, 2020: Association of the COVID-19 pandemic with Internet Search Volumes: A Google TrendsTM Analysis. Int. J. Infect. Dis. IJID Off. Publ. Int. Soc. Infect. Dis. 95, 192–197, DOI: 10.1016/j.ijid.2020.04.033.
European Centre for Disease Prevention and Control: Case definition for coronavirus disease 2019 (COVID-19), as of 29 May 2020 [Online] Available at https://www.ecdc.europa.eu/en/covid-19/surveillance/case-definition (accessed August 3, 2020).
Eysenbach, G., 2011: Infodemiology and infoveillance tracking online health information and cyberbehavior for public health. Am. J. Prev. Med. 40, S154-158, DOI: 10.1016/j.amepre.2011.02.006.
Fung, I.C.-H., K.-W. Fu, Y. Ying, B. Schaible, Y. Hao, C.-H. Chan, and Z.T.-H. Tse, 2013: Chinese social media reaction to the MERS-CoV and avian influenza A(H7N9) outbreaks. Infect. Dis. Poverty 2, 31, DOI: 10.1186/2049-9957-2-31.
Gasparrini, A., 2011: Distributed Lag Linear and Non-Linear Models in R: The Package dlnm.J. Stat. Softw. 43, 1–20.
Google Trends [Online] Available at https://trends.google.com/trends/?geo=US (accessed Apr 6 and Jul 27, 2020).
Husnayain, A., A. Fuad, and E.C.-Y. Su, 2020: Applications of Google Search Trends for risk communication in infectious disease management: A case study of the COVID-19 outbreak in Taiwan. Int. J. Infect. Dis. IJID Off. Publ. Int. Soc. Infect. Dis. 95, 221–223, DOI: 10.1016/j.ijid.2020.03.021.
Mavragani, A., G. Ochoa, and K.P. Tsagarakis, 2018: Assessing the Methods, Tools, and Statistical Approaches in Google Trends Research: Systematic Review.J. Med. Internet Res. 20, e270, DOI: 10.2196/jmir.9366.
Nuti, S.V., B. Wayda, I. Ranasinghe, S. Wang, R.P. Dreyer, S.I. Chen, and K. Murugiah, 2014: The use of google trends in health care research: a systematic review.PloS One 9, e109583, DOI: 10.1371/journal.pone.0109583.
Shin, S.-Y., D.-W. Seo, J. An, H. Kwak, S.-H. Kim, J. Gwack, and M.-W. Jo, 2016: High correlation of Middle East respiratory syndrome spread with Google search and Twitter trends in Korea. Sci. Rep. 6, 32920, DOI: 10.1038/srep32920.
The R Core Team.: R: The R Project for Statistical Computing [Online] Available at https://www.r-project.org/ (accessed Apr 6, 2020).
Walker, M.D., and M. Sulyok, 2020: Online behavioural patterns for Coronavirus disease 2019 (COVID-19) in the United Kingdom. Epidemiol. Infect.148, e110, DOI: 10.1017/S0950268820001193.
Wood, S.N., 2004: Stable and Efficient Multiple Smoothing Parameter Estimation for Generalized Additive Models. J. Am. Stat. Assoc. 99, 673–686, DOI: 10.1198/016214504000000980.
World Health Organization: Statement on the second meeting of the International Health Regulations (2005) Emergency Committee regarding the outbreak of novel coronavirus (2019-nCoV) [Online] Available at https://www.who.int/news-room/detail/30-01-2020-statement-on-the-second-meeting-of-the-international-health-regulations-(2005)-emergency-committee-regarding-the-outbreak-of-novel-coronavirus-(2019-ncov) (accessed Jul 27, 2020).