Fogvid-24 is a social-media conspiracy theory alleging that unusual winter fog in late 2024 and early 2025 was toxic or engineered—variously described as a chemical or biological weapon, "smart dust," or a cover for hidden activity—and that it caused clusters of flu-like symptoms. The term Fogvid-24 was popularised on platforms such as TikTok and X during a period of widespread fog in North America and the United Kingdom.
Fogvid-24 is a social-media conspiracy theory alleging that unusual winter fog in late 2024 and early 2025 was toxic or engineered—variously described as a chemical or biological weapon, "smart dust," or a cover for hidden activity—and that it caused clusters of flu-like symptoms. The term Fogvid-24 was popularised on platforms such as TikTok and X during a period of widespread fog in North America and the United Kingdom.
Source: Wikipedia "Fogvid-24" · CC BY-SA 4.0
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