KO KO

Last Updated :2024/05/08

Affiliations, Positions
Graduate School of Biomedical and Health Sciences(Medical), Assistant Professor
E-mail
kkohiroshima-u.ac.jp
Self-introduction
I am Ko Ko, from Myanmar and entered PhD course at department of Epidemiology, Infectious Disease Control and Prevention under supervision of Professor Junko TANAKA in 2016 and graduated in 2020. My background is medical doctor and after my graduation, I joined as the assistant professor at the same department in 2020.

Basic Information

Major Professional Backgrounds

  • 2020/11/01, 2021/03/31, Hiroshima University, Graduate School of Biomedical and Health Sciences, Assistant Professor (Special Appointment)
  • 2021/04/01, Hiroshima University, Graduate School of Biomedical and Health Sciences, Assistant Professor

Educational Backgrounds

  • Hiroshima University, Graduate School of Biomedical & Health Sciences , Japan, 2016/10, 2020/09
  • University of Medicine 2, Yangon, Myanmar, 2002/12, 2009/02

Academic Degrees

  • PhD (Medical Sciences), Hiroshima University

Educational Activity

  • [Bachelor Degree Program] School of Medicine : Program of Medicine : Medicine
  • [Master's Program] Graduate School of Biomedical and Health Sciences : Division of Integrated Health Sciences : Program of Public Health
  • [Master's Program] Graduate School of Biomedical and Health Sciences : Division of Integrated Health Sciences : Program of Biomedical Science
  • [Doctoral Program] Graduate School of Biomedical and Health Sciences : Division of Integrated Health Sciences : Program of Biomedical Science
  • [Doctoral Program] Graduate School of Biomedical and Health Sciences : Division of Biomedical Sciences : Program of Medicine

Educational Activity

Course in Charge

  1. 2024, Graduate Education (Master's Program) , First Semester, Seminar
  2. 2024, Graduate Education (Master's Program) , Second Semester, Seminar
  3. 2024, Graduate Education (Master's Program) , First Semester, Research
  4. 2024, Graduate Education (Master's Program) , Second Semester, Research
  5. 2024, Graduate Education (Doctoral Program) , First Semester, Advanced Seminar
  6. 2024, Graduate Education (Doctoral Program) , Second Semester, Advanced Seminar
  7. 2024, Graduate Education (Doctoral Program) , First Semester, Advanced Research
  8. 2024, Graduate Education (Doctoral Program) , Second Semester, Advanced Research
  9. 2024, Graduate Education (Master's Program) , 2Term, Basic Biostatistics and Basic Clinical Statistics
  10. 2024, Graduate Education (Master's Program) , First Semester, Research on Public Health (Epidemiology)
  11. 2024, Graduate Education (Master's Program) , Second Semester, Research on Public Health (Epidemiology)
  12. 2024, Graduate Education (Master's Program) , First Semester, Research on Public Health (Biostatistics)
  13. 2024, Graduate Education (Master's Program) , Second Semester, Research on Public Health (Biostatistics)
  14. 2024, Graduate Education (Master's Program) , First Semester, Basic Epidemiology and Practice
  15. 2024, Graduate Education (Master's Program) , Second Semester, Basic and Advanced Training on Methodology for Clinical Research
  16. 2024, Graduate Education (Master's Program) , First Semester, Exercise and Seminar on Epidemiological Research and It's Analysis
  17. 2024, Graduate Education (Doctoral Program) , First Semester, Advanced Seminar on Epidemiology,Infectious Disease Control and Prevention
  18. 2024, Graduate Education (Doctoral Program) , Second Semester, Advanced Seminar on Epidemiology,Infectious Disease Control and Prevention
  19. 2024, Graduate Education (Doctoral Program) , First Semester, Advanced Research on Epidemiology,Infectious Disease Control and Prevention
  20. 2024, Graduate Education (Doctoral Program) , Second Semester, Advanced Research on Epidemiology,Infectious Disease Control and Prevention
  21. 2024, Graduate Education (Doctoral Program) , Second Semester, Basic and Advanced Training on Methodology for Clinical Research

Research Activities

Academic Papers

  1. Quantitative Measurement of the SARS-CoV-2 IgG Antibody and Surrogate Neutralizing Antibody Responses among mRNA COVID-19 Vaccine-Inoculated Medical Staff in Designated Medical Institutions for Infectious Diseases, kansenshogakuzasshi, 96(2), 52-55, 2022
    Link to Paper Search Results by DOI
  2. Accuracy Management survey of nucleic acid amplification tests using inactivated SARS-CoV-2 in Hiroshima Prefecture, Hiroshima Journal of Medical Science, 71(3.4), 1-5, 202212
  3. Despite low viral titer in saliva samples, Sanger-based SARS-CoV-2 spike gene sequencing is highly applicable for the variant identification, BMC MEDICAL GENOMICS, 16(1), 20230824
    Link to Paper Search Results by DOI
  4. Residual risk of mother-to-child transmission of HBV despite timely Hepatitis B vaccination: a major challenge to eliminate hepatitis B infection in Cambodia, BMC INFECTIOUS DISEASES, 23(1), 20230426
    Link to Paper Search Results by DOI
  5. Intermediate hepatitis B virus infection prevalence among 1622 pregnant women in rural Burkina Faso and implications for mother-to-child transmission, SCIENTIFIC REPORTS, 13(1), 20230414
    Link to Paper Search Results by DOI
  6. Epidemiology of viral hepatitis C: Road to elimination in Japan, GLOBAL HEALTH & MEDICINE, 3(5), 262-269, 2021
    Link to Paper Search Results by DOI
  7. Effect of COVID-19 on hepatitis B and C virus countermeasures: Hepatologist responses from nationwide survey in Japan, HEPATOLOGY RESEARCH, 52(11), 899-907, 202211
    Link to Paper Search Results by DOI
  8. Prevalence of fatty liver and advanced fibrosis by ultrasonography and FibroScan in a general population random sample, HEPATOLOGY RESEARCH, 52(11), 908-918, 202211
    Link to Paper Search Results by DOI
  9. Seroepidemiological study of factors affecting anti-spike IgG antibody titers after a two-dose mRNA COVID-19 vaccination in 3744 healthy Japanese volunteers, SCIENTIFIC REPORTS, 12(1), 20220929
    Link to Paper Search Results by DOI
  10. A longitudinal study of anti-SARS-CoV-2 antibody seroprevalence in a random sample of the general population in Hiroshima in 2020, ENVIRONMENTAL HEALTH AND PREVENTIVE MEDICINE, 27, 2022
    Link to Paper Search Results by DOI
  11. A longitudinal study of anti-SARS-CoV-2 antibody seroprevalence in a random sample of the general population in Hiroshima in 2020, Environmental Health and Preventive Medicine, 27, 20220707
    Link to Paper Search Results by DOI
  12. Effect of COVID-19 on hepatitis B and C virus countermeasures: Hepatologist responses from nationwide survey in Japan, Hepatology Research, 20220805
    Link to Paper Search Results by DOI
  13. ★, Epidemiology of Viral Hepatitis C: Road to Elimination in Japan, Global Health and Medicine, 3(5), 262-269, 20210813
    Link to Paper Search Results by DOI
  14. Epidemiological assessment of interventions to eliminate mother-to child transmission of hepatitis B virus in Japan, GastroHep, 3(2), 72-79, 20210106
    Link to Paper Search Results by DOI
  15. Dried Blood Spot-based detection of serological profiles of hepatitis B and C infections and their prevalence in Cambodia, GastroHep, 3(4), 247-253, 20210602
    Link to Paper Search Results by DOI
  16. Prevalence of fatty liver and advance fibrosis by ultrasonography and fibroscan in a general population random sample, Hepatology Research, 20220805
    Link to Paper Search Results by DOI
  17. Prevalence of Helicobacter pylori infection in the general population evaluated by a resident-register-based epidemiological study, JOURNAL OF GASTROENTEROLOGY, 57(8), 540-546, 202208
    Link to Paper Search Results by DOI
  18. Prevalence and genotype distribution of viral hepatitis B in Cambodia between 1990 and 2020: a systematic review and meta-analysis, ARCHIVES OF PUBLIC HEALTH, 80(1), 20220413
    Link to Paper Search Results by DOI
  19. Exercising the Sanger Sequencing Strategy for Variants Screening and Full-Length Genome of SARS-CoV-2 Virus during Alpha, Delta, and Omicron Outbreaks in Hiroshima, VIRUSES-BASEL, 14(4), 202204
    Link to Paper Search Results by DOI
  20. Distribution of FIB-4 index in the general population: analysis of 75,666 residents who underwent health checkups, BMC GASTROENTEROLOGY, 22(1), 20220513
    Link to Paper Search Results by DOI
  21. Sequential dynamics of virological and serological changes in the serum of SARS-CoV-2 infected patients, JOURNAL OF MEDICAL VIROLOGY, 94(4), 1734-1737, 202204
    Link to Paper Search Results by DOI
  22. Mass Screening of SARS-CoV-2 Variants using Sanger Sequencing Strategy in Hiroshima, Japan, SCIENTIFIC REPORTS, 12(1), 20220214
    Link to Paper Search Results by DOI
  23. A seroepidemiological survey of the effect of hepatitis B vaccine and hepatitis B and C virus infections among elementary school students in Siem Reap province, Cambodia, Hepatology Research, 48(3), E172-E182, 20180201
    Link to Paper Search Results by DOI
  24. Trends in the total numbers of HBV and HCV carriers in Japan from 2000 to 2011, Journal of Viral Hepatitis, 25(4), 363-372, 20180401
    Link to Paper Search Results by DOI
  25. Natural course of persistent hepatitis B virus infection in hepatitis B e antigen-positive and hepatitis B e antigen-negative cohorts in Japan based on the Markov model, Journal of Medical Virology, 90(12), 1800-1813, 20181201
    Link to Paper Search Results by DOI
  26. The pilot study for health check-ups system at elementary school in Cambodia, Hiroshima Journal of Medical Sciences, 67(3), 83-92, 20180901
    Link to Paper Search Results by DOI
  27. Incidence rates of hepatitis C virus infection among blood donors in Japan: a nationwide retrospective cohort study, Transfusion, 58(12), 2880-2885, 20181201
    Link to Paper Search Results by DOI
  28. Acquisition rate of antibody to hepatitis B surface antigen among medical and dental students in Japan after three-dose hepatitis B vaccination, Vaccine, 37(1), 145-151, 20190103
    Link to Paper Search Results by DOI
  29. Very low prevalence of anti-HAV in Japan: high potential for future outbreak, Scientific Reports, 9(1), 20191201
    Link to Paper Search Results by DOI
  30. Hepatitis B surface antigen seroprevalence among pre- and post-vaccine cohorts in Cambodia, 2017, Vaccine, 37(35), 5059-5066, 20190814
    Link to Paper Search Results by DOI
  31. Countermeasures against viral hepatitis B and C in Japan: An epidemiological point of view, Hepatology Research, 49(9), 990-1002, 20190901
    Link to Paper Search Results by DOI
  32. High possibility of hepatocarcinogenesis in HBV genotype C1 infected Cambodians is indicated by 340 HBV C1 full-genomes analysis from GenBank, Scientific Reports, 9(1), 20191201
    Link to Paper Search Results by DOI
  33. The changing epidemiology of hepatitis B and C infections in Nanoro, rural Burkina Faso: A random sampling survey, BMC Infectious Diseases, 20(1), 20200115
    Link to Paper Search Results by DOI
  34. Evaluation of the efficiency of dried blood spot-based measurement of hepatitis B and hepatitis C virus seromarkers, Scientific Reports, 10(1), 20201201
    Link to Paper Search Results by DOI
  35. ★, Existence of hepatitis B virus surface protein mutations and other variants: Demand for hepatitis B infection control in Cambodia, BMC Infectious Diseases, 20(1), 20200425
    Link to Paper Search Results by DOI
  36. Substitution of the CD81 binding site and b-sandwich area in E2 of HCV in Cambodia, Viruses, 12(5), 20200501
    Link to Paper Search Results by DOI
  37. ★, Eighteen-year follow-up cohort study on hepatitis B and C virus infections related long-term prognosis among hemodialysis patients in Hiroshima, Journal of Medical Virology, 92(12), 3436-3447, 20201201
    Link to Paper Search Results by DOI
  38. ★, Molecular characterization and the mutation pattern of SARS-CoV-2 during first and second wave outbreaks in Hiroshima, Japan, PLoS ONE, 16(2 February), 20210201
    Link to Paper Search Results by DOI
  39. Prevalence of total hepatitis A antibody among 5 to 7 years old children and their mothers in Cambodia, Scientific Reports, 11(1), 20211201
    Link to Paper Search Results by DOI
  40. Relationship between drinking frequency and fatty liver prevalence or incidence in Japanese undergoing health checkup in 2008-2019, Liver International, 20210101
    Link to Paper Search Results by DOI
  41. Epidemiologic profile of hepatitis C virus infection and genotype distribution in Burkina Faso: a systematic review with meta-analysis, BMC INFECTIOUS DISEASES, 21(1), 20211101
    Link to Paper Search Results by DOI

Invited Lecture, Oral Presentation, Poster Presentation

  1. Prevalence of total hepatitis A antibody among 5 to 7 years old children and their mothers in Cambodia, 2021/07/10, Without Invitation, English, published
  2. The sero-epidemiological study on the prevalence of hepatitis B virus infection among the pregnant women and their newborn baby in Cambodia, 2021/12/09, Without Invitation, Japanese, published
  3. Change in trend of anti-HAV prevalence among 5-7 years old children and their mother in Cambodia: 2017 Nationwide random sampling strategy, 2021/06/18, Without Invitation, English, published
  4. Modeling Disease Burden of Nonalcoholic Fatty Liver Disease (NAFLD) in Japan, 56th the international liver congress 2021 (EASL), 2021/06/23, Without Invitation, English, published
  5. Sero-epidemiological evaluation for micro-elimination of viral hepatitis in three model areas in Hiroshima, JSH International Liver Conference 2021 Pioneering New Frontier in Liver Cancer -From Bench to Bedside and Beyond, 2021/10/03, Without Invitation, English, preprint
  6. The relationship between the frequency of drinking and incidence of fatty liver in Japanese cohort undergoing health checkups during the period 2008-2019 , EASL Digital NAFLD Summit 2021, 2021/09/16, Without Invitation, English, published
  7. Simulation for burden of hepatitis B and C in Japan until 2030, under the appearance of drug curable HBV, JSH International Liver Conference 2021 Pioneering New Frontier in Liver Cancer -From Bench to Bedside and Beyond, Fukuoka, 2021/10/03, Without Invitation, English, published
  8. Total number of HCV patients treated with DAAs in Japan using IQVIA database from 2014 to 2019, AASLD The Liver Meeting 2021, USA, 2021/11/15, Without Invitation, English, published
  9. Prevalence of fatty liver and advanced fibrosis by using ultrasonography and fibroscan in a random sample of the general population, AASLD The Liver Meeting 2021, USA, 2021/11/15, Without Invitation, English, published
  10. Genotype distribution and mutation pattern linked to liver disease progression among chronic hepatitis B carriers in Goto Islands, Japan, APASL(Asian Pacific Association for the Study of the Liver 2022), South Korea, 2022/03/31, Without Invitation, English, published
  11. Prevalence and genotype distribution of hepatitis B among pregnant women in Siem Reap province, Cambodia, APASL(Asian Pacific Association for the Study of the Liver 2022), South Korea, 2022/03/31, Without Invitation, English, published
  12. Assessment of COVID-19 Response on Hepatitis B virus and hepatitis C virus prevention and treatment from nationwide survey in Japan, APASL(Asian Pacific Association for the Study of the Liver2022), South Korea, 2022/03/31, Without Invitation, English, published
  13. Eighteen years follow-up large cohort study on Epidemiology of hepatitis C among Hemodialysis patients, their long-term prognosis and related risk factors, HCV Meeting 2019, 2019/10/08, Without Invitation, English, Seoul, South Korea
  14. Existence of hepatitis B surface protein mutations and other variants: Demand for hepatitis B infection control in Cambodia, Takahashi K, Nagashima S, Yamamoto C, Ork V, Sugiyama A, Akita T, Ohisa M, Chuon C, Md Hossain S, Mao B, Tanaka J, APASL (Asian Pacific Association for the Study of the Liver 2020), 2020/03/06, Without Invitation, English, Bali, Indonesia
  15. Dried blood spots are a useful tool for hepatitis A screening in the pandemic areas with medical resource-limited condition, Yamamoto C, Tanaka J, Ork V, Nagashima S, Chuon C, Mao B, Shafiqul Hossain M, 55th the international liver congress 2020 (EASL), 2020/08/27, Without Invitation, English
  16. Existence of hepatitis B virus surface protein mutations and other variants: demand for hepatitis B infection control in Cambodia, Takahashi K, Nagashima S, Yamamoto C, Ork V, Sugiyama A, Akita T, Ohisa M, Chuon C, Md Hossain S, Mao B, Tanaka J, 16th Symposium of the Hiroshima Liver Project Research Centre, 2020/10/10, Without Invitation, English

External Funds

Acceptance Results of Competitive Funds

  1. Young Researcher, Prevalence and Genotype Distribution of HDV using in-house developed ELISA in both serum and dried blood spots samples of pregnant women and their newborns in Siem Reap, Cambodia, 2023, 2025
  2. KAKENHI(Grant-in-Aid for Research Activity Start-up), 2021, 2022

Social Activities

Other Social Contributions

  1. JSPS core to core Science Platform seminar, joint with Cambodia, Burkina Faso, Uzbekistan, JSPS core to core Science Platform seminar, joint with Cambodia, Burkina Faso, Uzbekistan, 2022/03/18, 2022/03/18, Advisor, Meeting or assembly, Researchesrs
  2. JSPS core to core Science Platform seminar, joint with Cambodia, Burkina Faso, Uzbekistan, JSPS core to core Science Platform seminar, joint with Cambodia, Burkina Faso, Uzbekistan, 2021/12/08, 2021/12/08, Advisor, Meeting or assembly, Researchesrs
  3. Impact of COVID-19 response over viral hepatitis countermeasures, joint with US CDC, Impact of COVID-19 response over viral hepatitis countermeasures, joint with US CDC, 2021/11/16, 2021/11/16, Advisor, Meeting or assembly, Researchesrs
  4. HCV Elimination in Mongolia, HCV Elimination in Mongolia, 2021/08/19, 2021/08/19, Advisor, Meeting or assembly, Researchesrs