Components of Vaccines

Vaccines are made with a variety of ingredients including antigens, stabilizers, adjuvants, and preservatives; they may also contain residual by-products from the production process. Knowing precisely what is in each vaccine can be helpful when investigating adverse events following vaccination and for choosing alternative products for persons who have allergies or have had an adverse event known or suspected to be related to a vaccine component.

The following tables were prepared using information from the Physician's Desk Reference (PDR), the manufacturers’ package inserts and ImmunoFacts by JD Grabenstein. Since package inserts can change and there are sometimes small modifications in the components, the most recent package inserts (links available on the Package Inserts page) should be reviewed to verify specific information. Below are links to tables organized by Excipients, Allergens, and Vaccine Type.

Excipients Table

Allergens Table

Components of Vaccines by Vaccine Type

Vaccine Type Brand Name
DT DT
DTaP Daptacel, Infanrix
DTaP, Hepatitis B, IPV Pediarix
DTaP and IPV Kinrix, Quadracel
DTaP, IPV, Hib Pentacel
Hepatitis A Havrix, Vaqta
Hepatitis B Engerix-B, Recombivax HB
Hepatitis A and B Twinrix
Hib Hiberix, HibTITER, PedvaxHIB, ActHIB, OmniHIB
Hib and Hepatitis B Comvax
HPV Cervarix, Gardasil
Influenza: Quad Afluria, Fluarix, Flublok, Flucelvax, Flulaval, Fluzone
Influenza: Trivalent Afluria, Fluad, Flublock, Fluvirin
Influenza: Other Fluzone High-Dose, Fluzone Intradermal Quad
Japanese Encephalitis Ixiaro, JE-VAX
Meningococcal Bexsero, Menactra, Menomune-A/C/Y/W-135, Menveo, Trumenba
MMR MMR II
MMRV ProQuad
Pneumococcal Pneumovax 23, Prevnar, Prevnar 13
Polio IPOL
Rabies Imovax Rabies, RabAvert
Rotavirus Rotarix, RotaTeq
Smallpox Dryvax
Td Tenivac, Td
Typhoid Typhim Vi, Vivotif
Tdap Adacel, Boostrix
Varicella and Zoster Varivax, Shingrix, Zostavax