We naturally want vaccines to be as safe as possible. What’s the point in getting vaccinated if you’re risking a different illness?
While many people worry about side effects from vaccines, others don’t know about the other risks: bacteria.
While a syringe is injected into a vial, the vaccine can develop dangerous fungus. To combat this, manufacturers started to use a preservative called thimerosal. Thimerosal would prevent the fungus in multi-dose vaccines and make the drugs far safer.