“What’s In A Vaccine?” Sources
Formaldehyde: https://www.cdc.gov/niosh/docs/81-111/, https://pubmed.ncbi.nlm.nih.gov/6389892/
Thimerosal: https://www.fda.gov/vaccines-blood-biologics/safety-availability-biologics/thimerosal-and-vaccines
Vaccine Package Inserts: https://www.fda.gov/vaccines-blood-biologics/vaccines/vaccines-licensed-use-united-states