Definitions by CDC Whistleblower

Anti-vaxxer 

A well researched, deeply knowledgeable person, usually a parent, that doesn't believe everything they're told by people that profit from vaccines. They are well studied, heavily informed, and aware of the repercussions of vaccines.

"She is an anti-vaxxer and can quote studies from the medical journals, complete with citations, when needed.

Anti-vaxxer by CDC Whistleblower January 1, 2019