Public Health Function

Essential Services

Immunization Core Functions

Immunization Program Components


• Evaluate effectiveness, accessibility, and quality of personal and population-based health services.


• General assessment

• Public clinic AFIXa

• Private-sector AFIX

• Registry

• Perinatal hepatitis B prevention


• Monitor health status to identify community health problems.


• Surveillance of vaccine-preventable disease adverse events

• Perinatal hepatitis B prevention

Policy Development

• Develop policies/plans that support individual and community health efforts.

• Enforce laws/regulations that protect health.

• Research new insights and innovative solutions to health problems.



• Program management

• Partnerships

• Program management


• Diagnose and investigate health problems in the community.

• Ensure the availability of a competent public health and personal health care workforce.

• Inform, educate, and empower people about health issues.

• Mobilize community partnerships to identify and solve health problems.

• Link people to needed personal health services, and ensure the provision of health care when it is not

Outbreak control

Assuring service delivery

Public Information/education

Provider training

Vaccine supply

• Control of infectious disease

• Service delivery

• Perinatal hepatitis B prevention

• WICb linkage

• Outreach


• Registry

• VFCc

• Public education

• Outreach

• Professional information/education

• Public clinic AFIX

• Private-sector AFIX

• Perinatal hepatitis B prevention

• Vaccine management


FIGURE 1–5 Immunization core functions. aAssessment, Feedback, Incentives, and eXchange of information. bSpecial Supplemental Nutrition Program for Women, Infants, and Children. Vaccines for Children. SOURCE: Information provided by CDC.

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