Vaccine Excipients

**Definition:** Media added to a vaccine for a specific purpose. These include: preservatives to prevent contamination, adjuvants to stimulate a stronger immune response, and stabilizers. (From https://www.cdc.gov/vaccines pubs/pinkbook/downloads/appendices/b/excipient-table-2.pdf)

**Tree numbers:** - D26.650.800 - D27.720.744.770.419.500

**Synonyms:** - Excipient, Vaccine