• J. Med. Internet Res. · May 2020

    Containing COVID-19 Among 627,386 Persons in Contact With the Diamond Princess Cruise Ship Passengers Who Disembarked in Taiwan: Big Data Analytics.

    • Chi-Mai Chen, Hong-Wei Jyan, Shih-Chieh Chien, Hsiao-Hsuan Jen, Chen-Yang Hsu, Po-Chang Lee, Chun-Fu Lee, Yi-Ting Yang, Meng-Yu Chen, Li-Sheng Chen, Hsiu-Hsi Chen, and Chang-Chuan Chan.
    • Executive Yuan, Taipei, Taiwan.
    • J. Med. Internet Res. 2020 May 5; 22 (5): e19540.

    BackgroundLow infection and case-fatality rates have been thus far observed in Taiwan. One of the reasons for this major success is better use of big data analytics in efficient contact tracing and management and surveillance of those who require quarantine and isolation.ObjectiveWe present here a unique application of big data analytics among Taiwanese people who had contact with more than 3000 passengers that disembarked at Keelung harbor in Taiwan for a 1-day tour on January 31, 2020, 5 days before the outbreak of coronavirus disease (COVID-19) on the Diamond Princess cruise ship on February 5, 2020, after an index case was identified on January 20, 2020.MethodsThe smart contact tracing-based mobile sensor data, cross-validated by other big sensor surveillance data, were analyzed by the mobile geopositioning method and rapid analysis to identify 627,386 potential contact-persons. Information on self-monitoring and self-quarantine was provided via SMS, and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) tests were offered for symptomatic contacts. National Health Insurance claims big data were linked, to follow-up on the outcome related to COVID-19 among those who were hospitalized due to pneumonia and advised to undergo screening for SARS-CoV-2.ResultsAs of February 29, a total of 67 contacts who were tested by reverse transcription-polymerase chain reaction were all negative and no confirmed COVID-19 cases were found. Less cases of respiratory syndrome and pneumonia were found after the follow-up of the contact population compared with the general population until March 10, 2020.ConclusionsBig data analytics with smart contact tracing, automated alert messaging for self-restriction, and follow-up of the outcome related to COVID-19 using health insurance data could curtail the resources required for conventional epidemiological contact tracing.©Chi-Mai Chen, Hong-Wei Jyan, Shih-Chieh Chien, Hsiao-Hsuan Jen, Chen-Yang Hsu, Po-Chang Lee, Chun-Fu Lee, Yi-Ting Yang, Meng-Yu Chen, Li-Sheng Chen, Hsiu-Hsi Chen, Chang-Chuan Chan. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 05.05.2020.

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