Do vaccines contain Roundup?

In a video, Stephanie Seneff claims she has found glyphosate, the main ingredient in Roundup, in childhood vaccines, and that it is causing neurological problems.

• Reports of ovarian problems after vaccination do not prove the vaccine caused them.
• A Danish study of nearly 1 million girls and women found no link between HPV vaccination and early ovarian failure.
• Studies in Sweden, Scotland, and the U.S. show that HPV vaccination helps prevent cervical cancer.

Glyphosate is a chemical used to kill weeds. In 2016, Moms Across America paid a lab to test five vaccines and reported finding small amounts of glyphosate. But those results need stronger proof. The group’s own report called the testing a first screening and said more accurate tests were needed.

The lab used a test called ELISA. This test uses antibodies to look for glyphosate. It can be useful, but researchers must first show that it works correctly with the material they are testing. Other substances in a sample can affect the result. This test can cause a false positive, meaning the test reports finding glyphosate that is not actually there. The test maker recommends using another method to confirm important positive results.

The group incorrectly says that glyphosate could reach vaccines through ingredients from animals that ate treated crops. But that idea alone does not prove this happens. Research shows that mammals break down very little glyphosate and pass most of it out of their bodies rather than storing it.

Reliable testing would need to confirm both whether it is present and how much is there. A lawsuit about weed killer does not answer those questions about vaccines.