antivaxxer

American  

[an-tee-vak-ser, an-tahy-] / ˌæn tiˈvæk sər, ˌæn taɪ- /

Or antivaxer or anti-vaxxer

noun

Informal.

1. a person who distrusts or is against vaccination, often someone who is vocally opposed to vaccines.

   Our doctors are adamant that the antivaxxers overstate the risks of vaccine use, and that they scoff at the risks of disease.

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Etymology

Origin of antivaxxer

First recorded in 2000–05; antivax + -er ¹