Yasushi Ohkusa

Summary

Affiliation: National Institute of Infectious Diseases
Country: Japan

Publications

  1. ncbi request reprint [Varricela vaccination policy subsidy evaluation]
    Yasushi Ohkusa
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases
    Kansenshogaku Zasshi 84:159-64. 2010
  2. pmc Impact of age at marriage and migration on HIV and AIDS epidemics in Japan
    Nazrul Islam Mondal
    Department of Life and Environmental Sciences and High Technology Research Center, Chiba Institute of Technology, Tsudanuma, Narashino, Chiba Japan
    Int J Equity Health 8:23. 2009
  3. ncbi request reprint Experimental surveillance using data on sales of over-the-counter medications--Japan, November 2003-April 2004
    Yasushi Ohkusa
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan
    MMWR Morb Mortal Wkly Rep 54:47-52. 2005
  4. ncbi request reprint Application of an individual-based model with real data for transportation mode and location to pandemic influenza
    Yasushi Ohkusa
    Infectious Disease Surveillance Center, National Institution of Infectious Disease, 1 23 1 Toyama, Shinjuku ku, Tokyo 162 8640, Japan
    J Infect Chemother 13:380-9. 2007
  5. ncbi request reprint Policy evaluation for the subsidy for influenza vaccination in elderly
    Yasushi Ohkusa
    National Institute of Infectious Disease, 1 23 1 Toyama Shinjuku, Tokyo, Japan
    Vaccine 23:2256-60. 2005
  6. ncbi request reprint Prediction of smallpox outbreak and evaluation of control-measure policy in Japan, using a mathematical model
    Yasushi Ohkusa
    National Institution of Infectious Disease, 1 23 1 Toyama, Shinjuku ku, Tokyo, 162 8640, Japan
    J Infect Chemother 11:71-80. 2005
  7. ncbi request reprint Simulation model of pandemic influenza in the whole of Japan
    Yasushi Ohkusa
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo 162 8640, Japan
    Jpn J Infect Dis 62:98-106. 2009
  8. doi request reprint Real-time estimation and prediction for pandemic A/H1N1(2009) in Japan
    Yasushi Ohkusa
    Infectious Diseases Surveillance Center, National Institute of Infectious Diseases, 1 23 1 Toyama, Shinjuku, Tokyo, Japan
    J Infect Chemother 17:468-72. 2011
  9. ncbi request reprint [Chickenpox case estimation in acyclovir pharmacy survey and early bioterrorism detection]
    Tamie Sugawara
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases
    Kansenshogaku Zasshi 85:632-7. 2011
  10. ncbi request reprint [2008 G8 Hokkaido Toyako Summit Meeting Syndrome Surveillance]
    Yasushi Ohkusa
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases
    Kansenshogaku Zasshi 83:236-44. 2009

Collaborators

Detail Information

Publications31

  1. ncbi request reprint [Varricela vaccination policy subsidy evaluation]
    Yasushi Ohkusa
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases
    Kansenshogaku Zasshi 84:159-64. 2010
    ....
  2. pmc Impact of age at marriage and migration on HIV and AIDS epidemics in Japan
    Nazrul Islam Mondal
    Department of Life and Environmental Sciences and High Technology Research Center, Chiba Institute of Technology, Tsudanuma, Narashino, Chiba Japan
    Int J Equity Health 8:23. 2009
    ....
  3. ncbi request reprint Experimental surveillance using data on sales of over-the-counter medications--Japan, November 2003-April 2004
    Yasushi Ohkusa
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan
    MMWR Morb Mortal Wkly Rep 54:47-52. 2005
    ..This report discusses the correlation of these data to influenza activity in Japan during the 2003-04 influenza season and evaluates the potential of using such data to predict influenza epidemics...
  4. ncbi request reprint Application of an individual-based model with real data for transportation mode and location to pandemic influenza
    Yasushi Ohkusa
    Infectious Disease Surveillance Center, National Institution of Infectious Disease, 1 23 1 Toyama, Shinjuku ku, Tokyo 162 8640, Japan
    J Infect Chemother 13:380-9. 2007
    ..We were able to realize the speed and geographic spread of infection with the highest reality. Therefore, we can use this model for making preparedness plans...
  5. ncbi request reprint Policy evaluation for the subsidy for influenza vaccination in elderly
    Yasushi Ohkusa
    National Institute of Infectious Disease, 1 23 1 Toyama Shinjuku, Tokyo, Japan
    Vaccine 23:2256-60. 2005
    ..In Japan, the subsidy of influenza vaccination for the elderly was introduced in November 2001. This paper examines its policy evaluation from the viewpoint of cost-benefit analysis...
  6. ncbi request reprint Prediction of smallpox outbreak and evaluation of control-measure policy in Japan, using a mathematical model
    Yasushi Ohkusa
    National Institution of Infectious Disease, 1 23 1 Toyama, Shinjuku ku, Tokyo, 162 8640, Japan
    J Infect Chemother 11:71-80. 2005
    ..In further research, we will have to take into account the population people vaccinated of for smallpox, who account for about 70% of the total population in Japan...
  7. ncbi request reprint Simulation model of pandemic influenza in the whole of Japan
    Yasushi Ohkusa
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo 162 8640, Japan
    Jpn J Infect Dis 62:98-106. 2009
    ..Because this study demonstrates that ribm is useful for simulating the spread of pandemic influenza in Japan, it is hoped that this modeling technique will be used in the creation of preparedness plans...
  8. doi request reprint Real-time estimation and prediction for pandemic A/H1N1(2009) in Japan
    Yasushi Ohkusa
    Infectious Diseases Surveillance Center, National Institute of Infectious Diseases, 1 23 1 Toyama, Shinjuku, Tokyo, Japan
    J Infect Chemother 17:468-72. 2011
    ..In conclusion, for the first time in the world, we successfully demonstrated real-time estimation and prediction for the entire course of a pandemic, and which could be used routinely for planning counter-measures...
  9. ncbi request reprint [Chickenpox case estimation in acyclovir pharmacy survey and early bioterrorism detection]
    Tamie Sugawara
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases
    Kansenshogaku Zasshi 85:632-7. 2011
    ..We have constructed real-time pharmacy surveillance scenarios using information technology (IT) to monitor acyclovir prescription...
  10. ncbi request reprint [2008 G8 Hokkaido Toyako Summit Meeting Syndrome Surveillance]
    Yasushi Ohkusa
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases
    Kansenshogaku Zasshi 83:236-44. 2009
    ..Although a fully automated system was concidered best for early outbreak detection manual input and analysis were also required. Routine, fully automatied syndromic surveillance remains to be realized in Japan...
  11. doi request reprint Real-time prescription surveillance and its application to monitoring seasonal influenza activity in Japan
    Tamie Sugawara
    National Institute of Infectious Diseases, Infectious Disease Surveillance Center, Tokyo, Japan
    J Med Internet Res 14:e14. 2012
    ..Real-time surveillance is fundamental for effective control of disease outbreaks, but the official sentinel surveillance in Japan collects information related to disease activity only weekly and updates it with a 1-week time lag...
  12. doi request reprint Estimation of measles vaccine coverage needed to prevent transmission in schools
    Nobuo Mori
    Field Epidemiology Training Program, Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan
    Pediatr Int 50:464-8. 2008
    ..The aim of the present study was to produce the first estimation in Japan of the basic reproduction number (R(0)) and the minimum level of vaccine coverage needed to prevent measles outbreaks (P(c))...
  13. ncbi request reprint [The possibility of outbreak control by real-time surveillance with PCR method perfomed immediately--a case study of hand foot and mouth disease outbreak in a day care facility for children]
    Tamie Sugawara
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases
    Kansenshogaku Zasshi 86:405-10. 2012
    ..We examined the relationship between syndromic surveillance and laboratory confirmation, at an early stage of an outbreak of hand foot and mouth disease and RS virus infection...
  14. ncbi request reprint Seasonal influenza surveillance using prescription data for anti-influenza medications
    Makiko Yoshida
    Field Epidemiology Training Program, National Institute of Infectious Diseases, Tokyo 162 8640, Japan
    Jpn J Infect Dis 62:233-5. 2009
    ..9. These results demonstrate the feasibility of such a system and that pharmacy prescription data are a very useful indicator of sentinel surveillance for influenza...
  15. doi request reprint Risk factors for severe hand foot and mouth disease
    Yoko Suzuki
    Field Epidemiology Training Program, Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo
    Pediatr Int 52:203-7. 2010
    ..3% in 2000 and 2001 and 31.6% in 2002. The survey period included the year 2000, when HFMD epidemics due to EV71 occurred. To examine risk factors causing complications of enterovirus infection, severe cases of HFMD were focused on...
  16. ncbi request reprint [Enhanced surveillance for US presidential visit to Japan]
    Yasushi Ohkusa
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases
    Kansenshogaku Zasshi 84:708-13. 2010
    ..Such enhanced surveillance is highly feasible and we expect to do so similarly cooporating flexibly with local and central governments...
  17. ncbi request reprint [Survey of pandemic behavior: to stay at home or not]
    Tamie Sugawara
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases
    Kansenshogaku Zasshi 82:427-33. 2008
    ..If the number of parameters is obtained, we can apply these parameters to the mathematical pandemic model...
  18. ncbi request reprint [The real-time pharmacy surveillance and its estimation of patients in 2009 influenza A (H1N1)]
    Tamie Sugawara
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases
    Kansenshogaku Zasshi 85:8-15. 2011
    ..We used the data to analyze the pandemic A/H1N1 flu spread (2009) and to determine the system's and capability in estimating the infected population...
  19. pmc The economic disease burden of measles in Japan and a benefit cost analysis of vaccination, a retrospective study
    Kenzo Takahashi
    Clinical Research Center Sanno Hospital, International University of Health and Welfare, 8 10 16 Akasaka, Tokyo, 107 0052, Japan
    BMC Health Serv Res 11:254. 2011
    ..In this study, we attempted to estimate the nationwide economic disease burden of measles based on clinical data and the economic effectiveness of this proposal using the benefit cost ratio...
  20. ncbi request reprint [Questionnaire survey of measles outbreak prevention activities by Kumamoto Prefecture Hospital staff]
    Tamano Matsui
    Infectious Disease Surveillance Center, National Institute of Infectious Diseases
    Kansenshogaku Zasshi 82:58-9. 2008
  21. ncbi request reprint [An analysis of the demand for influenza vaccination among the elderly in Japan]
    Yasushi Ohkusa
    ISER, Osaka University
    Nihon Koshu Eisei Zasshi 50:27-38. 2003
    ..This paper will discuss an analysis of the demand for vaccination for the elderly as a high-risk group. Influence of the governmental endorsement and/or subsidy on these demand is, then, evaluated from the estimation results...
  22. ncbi request reprint [Cost-effectiveness analysis of routine mumps immunization in Japan]
    Tamie Sugawara
    National Institute of Infectious Diseases, Shimane Prefectual Central Hospital
    Kansenshogaku Zasshi 81:555-61. 2007
    ..Mumps immunization is not included in routine immunization in Japan. We measured the cost-effectiveness of routine immunization...
  23. ncbi request reprint [Preliminary trial of syndromic surveillance to early detection of nosocomial infection outbreak]
    Kiyoshi Kikuchi
    Department of Pediatrics, Shimane Prefectual Central Hospital
    Kansenshogaku Zasshi 81:162-72. 2007
    ..To detect nosocomial outbreaks early we construct syndromic surveillance for inpatients with fever, respiratory symptoms, diarrhea, vomiting, or rash and evaluate it statistically...
  24. ncbi request reprint Horizontal inequity in health care utilization in Japan
    Yasushi Ohkusa
    Institute of Social and Economic Research, Osaka University 6 1 Mihogaoka Ibaraki Osaka, Japan
    Health Care Manag Sci 6:189-96. 2003
    ..In a rigorous international comparison, though we cannot find any horizontal inequity in health in 1998, we find pro-rich inequity before 1995. The reason for this may be the reform of the health insurance system in 1997...
  25. ncbi request reprint Analysis of health-related quality of life (HRQL), its distribution, and its distribution by income in Japan, 1989 and 1998
    Yukiko Asada
    Department of Bioethics, Dalhousie University, 5849 University Avenue, Halifax, Nova Scotia, B3H 4H7, Canada
    Soc Sci Med 59:1423-33. 2004
    ..This analysis shows that the success in the improvement in the length of life in Japan did not always coincide with the improvement in HRQL and provides a basis for the future population health research...
  26. ncbi request reprint [Research on choices of people with mild symptoms of common cold between consulting physicians and taking OTC (over-the-counter) medicine using a hypothetical question method]
    Tamie Sugawara
    Graduate School of Comprehensive Human Science, Universtity of Tsukuba
    Nihon Koshu Eisei Zasshi 52:618-26. 2005
    ..Our prediction of employees' choices with these alternatives will contribute to cost-containment policies of health insurers...
  27. ncbi request reprint When do people visit a doctor?
    Shun ichiro Bessho
    Graduate School of Economics, The University of Tokyo
    Health Care Manag Sci 9:5-18. 2006
    ..Severe symptoms and fever hastened the time. The results suggest that the traditional argument about ex-post moral hazard is somewhat misleading...
  28. ncbi request reprint [Cost-effectiveness analysis of routine immunization for varicella in Japan]
    Tamie Sugawara
    National Institute of Infectious Diseases
    Kansenshogaku Zasshi 80:212-9. 2006
    ..Immunization for varicella is not currently included in routine immunizations in Japan. This study was conducted to assess test its cost-effectiveness when it becomes a routine...
  29. ncbi request reprint [Synptons of outpatients as data for syndromic surveillance]
    Yasushi Ohkusa
    National Institute of Infectious Diseases, Izumo, Shimane
    Kansenshogaku Zasshi 80:366-76. 2006
    ....
  30. ncbi request reprint [An experimental study for syndromic surveillance using OTC sales]
    Tamie Sugawara
    Kansenshogaku Zasshi 81:235-41. 2007
    ..We analyzed the possibility of using sales data on over-the-counter (OTC) medicine in syndromic surveillance for early detection and/or prediction of influenza pandemics...
  31. doi request reprint Additive effect of pneumococcal vaccine and influenza vaccine on acute exacerbation in patients with chronic lung disease
    Akitsugu Furumoto
    Department of Internal Medicine, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan
    Vaccine 26:4284-9. 2008
    ..019), but not during the second year (P=0.342), and was associated with serotype-specific immune response in sera of these patients who used PV during the same period...