Formaldehyde

Formaldehyde is one of the vaccine ingredients consistently questioned by vaccine hesitant groups and individuals. Below are a number of resources on this topic. For information and resources on other vaccine ingredients, visit our topic pages on Aluminum, Thimerosal, and Vaccine Ingredients – General.

• Vaccine Ingredients – Formaldehyde
  The Vaccine Education Center at the Children’s Hospital of Philadelphia website includes a page with information about formaldehyde in vaccines.
• “Vaccine Ingredients: What You Should Know” Q&A Handout (English)
  This handout was created by the Vaccine Education Center at the Children’s Hospital of Philadelphia
• “Vaccine Ingredients: What You Should Know” Q&A Handout (Spanish)
  This handout was created by the Vaccine Education Center at the Children’s Hospital of Philadelphia
• Common Ingredients in U.S. Licensed Vaccines
  The FDA website includes a page with information about the ingredients in vaccines.
• Vaccine Ingredients
  The Centers for Disease Control and Prevention (CDC) website includes information about aluminum and other vaccine ingredients.
• Vaccine Ingredients
  HHS’ Vaccines.gov website includes a page that addresses common questions about vaccine ingredients.