Which statement best describes system inputs in public health practice?

• A. Human resources, funding, facilities, and information technology.
• B. Clinical care pathways and hospital billing.
• C. Vaccination schedules and surveillance data.
• D. Community outreach and health education.

Answer: (A)

System inputs are the resources needed to run public health work. They are the things you must have in place before programs can be planned and executed: people who do the work, the money to fund activities, the facilities where services are delivered, and the technology that supports operations and data management. This is why human resources, funding, facilities, and information technology fit best as inputs—they provide the foundation that enables all other activities to occur.

The other statements describe things that come after inputs: clinical care pathways and hospital billing relate to how care is delivered and paid for within clinical settings; vaccination schedules and surveillance data represent program content and the information used to monitor health status; and community outreach and health education are specific activities or interventions carried out using available resources.