The biohazard emoji is the digital equivalent of slapping a big “Do Not Touch” sticker on whatever you’re talking about. It screams toxic—whether you mean actual germs, a cursed group chat, or that one Tupperware in the fridge evolving its own ecosystem. People drop it for drama (“this comment section is a biohazard”), for humor (“my leftovers after spring break ☣️”), and for calling out toxic behavior with a wink. Gamers and horror fans also associate it with zombie/apocalypse vibes—shoutout to Resident Evil, literally titled Biohazard in Japan.
On Apple devices, it shows up as a bold black trefoil with three hooked loops around a central dot, centered on a bright orange, rounded-square sign with a slight glossy gradient—very “lab door sticker” energy. It’s instantly recognizable next to other hazard icons, and unlike the radiation emoji with fan-blade triangles, this one’s all swoopy crescents. During health scares or flu season, it lands as gallows humor or a PSA-lite; in DMs it’s perfect for “enter at your own risk” content, from messy rooms to spiciest takes. Use it sarcastically to label your cooking, flirtatiously to tease that your playlist is dangerously infectious, or dramatically to warn that a plot twist is bio-level contaminated. Bottom line: slap ☣️ on anything you want flagged as unsafe, unholy, or hilariously off-limits.
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Emoji History The emoji code/ image log of changes.
This emoji first appeared in OSX / iOS after the iOS 9 update.
