Vaccine Ingredients
In addition to the live, attenuated or inactive virus, pathogen or toxoid, the Influenza (Fluzone) Quadrivalent vaccine contains the following ingredients:
- egg protein
 - octylphenol ethoxylate (Triton X-100)
 - sodium phosphate-buffered isotonic sodium chloride
 - sucrose
 - thimerosal (multi-dose vials)
 
Source: CDC
