State Immunization Services and Policies Resource Page

Despite the availability of safe and effective vaccines through Medicaid and the Vaccines for Children program, immunization rates among children enrolled in Medicaid remain lower than for privately-insured children. Disparities in vaccination rates also persist for African-American children and those living in poverty. Nearly half of US pregnant women are covered by Medicaid, but data shows that publicly-insured women have lower immunizations rates than women with private insurance.

These resources showcase effective state efforts to harness Medicaid’s reach to increase immunization rates in these important populations.


Q&A: How Colorado’s Immunization Registry Uses Data to Improve Public Health, July 2019. Colorado, one of five states participating in a collaborative to improve immunization rates among children and pregnant women enrolled in Medicaid, is using its information system to advance data exchange and guide clinical decision making. In this article published by the Colorado Children’s Immunization Collaborative (CCIC), Heather Roth, deputy immunization branch chief in Colorado’s Department of Public Health and Environment, answers questions about the registry. The collaborative is a NASHP partnership with the Centers for Disease Control and Prevention, Academy Health, and CCIC.

Hawaii Fights the Flu with Pop-up Clinics and State Agency Collaboration, February 2019. This NASHP blog highlights Hawaii’s collaboration between its state education and health departments, which led to “pop-up,” school-based vaccination clinics to increase flu vaccination rates and protect children’s health.

How to Boost Vaccine Rates for Low-Income Families, October 2018. This PEW Charitable Trusts article explores a Community of Practice Immunization project, co-led by the National Academy for State Health Policy, AcademyHealth, and the Colorado Children’s Immunization Project.

State Officials Work to Harness Medicaid as a Change Agent to Increase Immunization Rates, July 2018. This reports on a meeting led by NASHP, AcademyHealth, and the Colorado Children’s Immunization Coalition, which convened state officials and experts to identify strategies to improve immunization rates among Medicaid-enrolled children and pregnant women.

Immunization Community of Practice, February 2018. AcademyHealth and NASHP, with support from the Colorado Children’s Immunization Coalition, worked with state officials interested in improving their immunization rates among low-income children and pregnant women in a Community of Practice. Medicaid agencies worked with public health and Immunization Information System partners to improve policies and outreach to increase immunization rates.

New Program Helps State Medicaid Programs Close an Immunization Disparity Gap, February 2018. This NASHP blog explores how states can improve immunization rates among low-income children by addressing health equity.

State Immunization Strategies to Promote Children’s Preventive Services, last updated September 2016. These maps and 50-state chart illustrate state Medicaid or Children’s Health Insurance Program performance-improvement initiatives that promote children’s preventive services, including immunizations and American Academy of Pediatrics’ Bright Futures recommendations.

Vaccination Coverage Among Children Aged 19–35 Months — United States, 2017, October 2018. This Centers for Disease Control and Prevention (CDC) Morbidity and Mortality Weekly Review (MMWR) article highlights current vaccination coverage data and trends.

Vaccine-Preventable Diseases, Immunizations, and MMWR –1961 – 2011, October 2011. This CDC report discusses the history of vaccine-preventable diseases, current global efforts, and the future of immunizations.