Sources Sought Notice: HEALTH AND HUMAN SERVICES, DEPARTMENT OF, NATIONAL INSTITUTES OF HEALTH is seeking Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services for ARPA-H Real World Data Sources for Health and Healthcare Research. This procurement aims to support the development of high-impact solutions to society's most challenging health problems by acquiring real world healthcare data and related services. ARPA-H requires real world data (RWD) to inform strategic direction and support individual mission offices and their research and development programs. The Agency is interested in technologies that can link records for individuals across all data sets using privacy preserving record linkage techniques (PPRL). Additionally, ARPA-H is exploring potential models to make integrated data sets available to the research community while complying with privacy and ethics agreements and lowering access barriers. Respondents are invited to identify potential economic models, limitations, and restrictions in this topic area.