A new public dataset of four million Telegram messages from prominent Brazilian anti-vaccine channels (2020-2025) is released with content, metadata, media, and classifications for misinformation research.
2024.url: https://github.com/microsoft/presidio(visited on 10/17/2025)
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Brazilian Social Media Anti-vaccine Information Disorder Dataset -- Telegram (2020-2025)
A new public dataset of four million Telegram messages from prominent Brazilian anti-vaccine channels (2020-2025) is released with content, metadata, media, and classifications for misinformation research.