Immunization Studies

Vaccine Safety Studies and References

General Safety

Vaccine Fears Overturned by Facts (booklet) 2-page fact-sheet Immunize Kansas Coalition. Updated June 2023
Vaccine Development, Testing, and Regulation. College of Physicians of Philadelphia, History of Vaccines. May 2022.
Vaccine Safety: Examine the Evidence, American Academy of Pediatrics, September 2022.
Safety of Vaccines Used for Routine Immunization in the United States: An Update. Gidengil et al. Agency for Healthcare Research and Quality (US). 2021.

Allergies and Vaccines

2023-2024 CDC Flu Vaccination Recommendations Adopted June 2023
Do Vaccines Cause Asthma or Allergies? Children’s Hospital of Philadelphia, May 2020

Autism Not Linked to Vaccines

Evidence Shows: Vaccine Unrelated to Autism. Immunization Action Coalition, June 2023.
Vaccine Safety: Examine the Evidence American Academy of Pediatrics, September 2022.
Measles, Mumps, Rubella Vaccination and Autism: A Nationwide Cohort Study. Hviid A. et al. 2019. Annals Internal Medicine 2019 Apr 16;170(8):513-520.

Breastfeeding, Pregnancy, and Vaccines

Breastfeeding: Vaccinations. Centers for Disease Control and Prevention., January 2023.
Vaccine Considerations for New and Expectant Parents. Children’s Hospital of Philadelphia, May 2023.
COVID-19 Vaccines While Pregnant or Breastfeeding. Centers for Disease Control and Prevention. October 2022.

COVID-19 Vaccines

About COVID-19 Vaccine: FAQs American Academy of Pediatricians, 2023.
COVID-19 Vaccine Safety Articles and Studies by Topic Centers for Disease Control and Prevention.
COVID-19 Vaccines While Pregnant or Breastfeeding. Centers for Disease Control and Prevention. October 2022.

HPV Vaccine

Ingredients in Vaccines

Vaccine Safety: Examine the Evidence. American Academy of Pediatrics. September 2022.
Vaccine Ingredients: Aluminum. Children’s Hospital of Philadelphia. December 2022.
Vaccine ingredients (main page) links to 12 vaccine ingredient topics. Children’s Hospital of Philadelphia. March 2021.
Vaccine Fears Overturned by Facts Immunize Kansas Coalition. 2021.
Vaccine Ingredients: Thimerosal. Children’s Hospital of Philadelphia, 2020.

Multiple Vaccines and Your Child’s Immune System

Vaccine Science: Vaccines and the Immunization System. Children’s Hospital of Philadelphia. April 2020.
The Overloaded Immune System Misconception. College of Physicians of Philadelphia. History of Vaccines. January 2018.
Too Many Vaccines? What you Should Know. Children’s Hospital of Philadelphia. 2018.

Vaccine Schedule (Spreading Out a Baby’s Immunizations)