Antifreeze in Vaccines

Why would they put antifreeze in vaccines?

Well, they wouldn’t.

That vaccines contain antifreeze is one of those myths that scare parents away from vaccinating and protecting their kids.

Some vaccines do contain 2-phenoxyethanol, which can be used as a stabilizer or preservative.

2-phenoxyethanol is not antifreeze though, although it kind of sounds like it.

Antifreeze is also called ethylene glycol.

Propylene glycol, a component of antifreeze, was once found in residual amounts in some flu vaccines.

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