1. Advisory committee on immunization practices recommended immunization schedule for children and adolescents aged 18 years or younger - United States, 2018;Robinson;MMWR Morb Mortal Wkly Rep,2018
2. National Center for Immunization and Respiratory Diseases. National Immunization Surveys (NIS). Centers for Disease Control and Prevention. https://www.cdc.gov/vaccines/imz-managers/nis/index.html. Accessed August 14, 2021.
3. National Center for Immunization and Respiratory Diseases. National immunization survey-child a user’s guide for the 2019 public-use data file. Centers for disease control and prevention. https://www.cdc.gov/vaccines/imz-managers/nis/downloads/NIS-PUF19-DUG.pdf. Accessed August 14, 2021.
4. National Center for Immunization and Respiratory Diseases. National immunization survey-teen a user’s guide for the 2019 public-use data file. Centers for disease control and prevention. https://www.cdc.gov/vaccines/imz-managers/nis/downloads/NIS-TEEN-PUF19-DUG.pdf. Accessed August 14, 2021.
5. National Center for Immunization and Respiratory Diseases. Transition from a dual-frame (cell-phone and landline) to a single-frame (cell-phone) sample design: impact on vaccination coverage estimates, national immunization survey-child, 2014-2018. Centers for disease control and prevention. https://www.cdc.gov/vaccines/imz-managers/coverage/childvaxview/pubs-presentations/NIS-child-vac-coverage-estimates-2014-2018.html. Accessed August 14, 2021.