noun
anti-vaxxer; vaccine opponent
Refers to individuals or groups opposed to vaccination. Often used in news and social media contexts.
ワクチン反対派の主張は科学的根拠に欠けると批判された。
The anti-vaxxers' claims were criticized for lacking scientific evidence.
SNSでワクチン反対派の投稿が拡散された。
Posts by vaccine opponents were spread on social media.