Funding for this research was provided by:
Ministry of Health, Labour and Welfare (H29-kansei-ippan-004, H26-kansei-ippan-001)
Received: 8 September 2020
Accepted: 19 January 2021
First Online: 1 February 2021
Ethics approval and consent to participate
: This study analyzes the data from a trial program, in which a transportation company conducted the hepatitis prevention activities to address the concerns that the company’s employees might have many undiagnosed hepatitis virus infections. To the employees, it was declared on the reminders that the results of this trial might be used for research purposes after anonymization and, for those who did not want to participate, their data could be excluded from the analysis upon their requests. For this analysis, approval was obtained from the Institutional Review Board of the National Center for Global Health and Medicine (No. 2216).
: Not applicable.
: The authors declare no conflicts of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results.