Respuesta :

Answer:

I saw this: Formaldehyde. ...  Aluminum salts. ...  Thimerosal. ...  Chicken egg proteins. ...  Gelatin. ...  Antibiotics.

Explanation:

Just look up "What is in the flu vaccine" or "what ingredients can be found in a flu shot"

Hope this (kinda) helped :)

Vapor rub I saw my mom put that on a syringe