Are There Hidden Ingredients in Vaccines?

We know all of the ingredients in vaccines.

We know that they are safe and aren’t toxic.

So what now? Anti-vaccine folks move the goalposts and start talking conspiracy theories about hidden ingredients in vaccines.

Are There Hidden Ingredients in Vaccines?

There are no hidden ingredients in vaccines.

A list of ingredients is included on the vaccine’s package insert and can be found on a number of articles on the Internet.

That’s how we know that vaccines do not contain a vaginal spermicide, antifreeze, aborted fetal tissue, or peanut oil.

Multi-dose vials of flu vaccine still contain the preservative thimerosal.
It is no secret that multi-dose vials of flu vaccine still contain the preservative thimerosal, and that most flu vaccines are now thimerosal free.

One anti-vaccine group did test and find thimerosal in a vaccine, but it was a flu vaccine that said it contained thimerosal. How much did they find? The amount that was supposed to be in the vaccine… If they were really reporting about some kind of conspiracy, you would have thought they would have tested one of the thimerosal free flu vaccines that are available.

What about the idea that “some information regarding additives and residuals is considered to be a trade secret and thus confidential?”

The chapter in the book Vaccines where that quote comes from also states that because of FDA regulations “the use of, and quantity of, additives and residuals should be disclosed on the vaccine label.”

Specifically, vaccines labels must include:

  • the preservative used and its concentration
  • known sensitizing substances
  • the type and calculated amounts of antibiotics added during manufacture
  • the inactive ingredients when a safety factor
  • the adjuvant, if present
  • the source of the product when a factor in safe administration
  • the identity of each organism used in manufacture, and, where, applicable, the production medium and method of inactivation

So what are the trade secrets?

“It is important to recognize that FDA-approval of all new vaccines involves not only assessment of the antigens and final contents, but the entire process of synthesis. Each and every component introduced and used in the manufacture is scrutinized. While there are a wide array of excipients required to either manufacture, package or deliver effective immunity, each of these is part of this approval process.”

Vaccinophobia and Vaccine Controversies of the 21st Century

They are likely very specific details about the production process. In other words, how exactly they put all of the ingredients together to actually make the vaccine.

There is no secret about what’s in your child’s vaccines. No hidden ingredients either.

What about warnings over contaminates in vaccines?

When they rarely occur, contaminated vaccines are discovered and removed. Keep in mind that vaccines are very safe from contamination and the only issue with any recent incidents is that they are used by the anti-vaccine movement to further scare parents who are on the fence about vaccines.

What to Know About Hidden Ingredients in Vaccines

There are no secret or hidden ingredients in vaccines.

More on Hidden Ingredients in Vaccines

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