| Steps | Modules | Key stakeholders | Area of science | Key approaches for solution | 
      
        | Production | Research and development | Academia, research institutions and    manufacturers | Biology and vaccinology | Basic research, push and pull for    vaccine industries and scientists | 
      
        | Licensure | Pharmaceutical approval | Manufacturers and PMDA (regulatory    authorities) | Regulatory Science | Epidemiology, clinical trials | 
      
        | Routine scheduling | Funding, recommendation and compensation    programs | National diet and MHLW | Politics | Lobbying, legitimacy, ethics, fairness | 
      
        | Implementation | Vaccination provision | Municipalities and medical professionals | Logistics | Registry of vaccination history,    simultaneous inoculation, multi-vaccine package | 
      
        | Assurance | Risk management, public acceptance,    relief compensation provision | Anti-vaccine activists, patient groups,    mass and social media, MHLW | Surveillance, education, communication | Causal investigation and compensation of    AEFI, Social norm, risk communication strategy, educational materials |