The symbol used to warn of a biological hazard is an established character that warns of danger. In addition, you can copy and paste this into your bio to signal that you’re into the biological or related subjects.
If you want to use this warning symbol in your profile (e.g., on Facebook or LinkedIn), you might be tempted to just copy and paste the symbol directly. But how do you choose between two similar-looking symbols?
You’ll probably need to know what they represent and whether they apply to your particular situation. Here’s what we’ve learned about them, so you can decide which one to use.
BIOHAZARD SIGN
U+2623 — BIOHAZARD SIGN
This is the warning sign indicating potential exposure to biological hazards, such as biological substances threatening living organisms’ health, primarily humans. This includes bacteria, viruses, fungi, and other microorganisms.
RADIOACTIVE SIGN
U+2622 — RADIOACTIVE SIGN
On the other hand, ionizing radiation presents another threat to human health. You should also be aware that radioactive signs are distinct from biohazard symbols.
Text and emoji presentation
If you want to add text, then request emoji presentation by placing U+2623 followed by U+FE0F, otherwise just place it directly in the destination app. We have shown both options below:
☣︎ — U+2623 followed by U+FE0E — text presentation request
☣️ — U+2623 followed by U+FE0F — emoji presentation request
In either case, you’ll want to preview the actual appearance before sending the text elsewhere.
DECORATIVE PROFILE USE
While the biohazard symbol represents an established warning, you could suggest a hobby, or even fictional context, that may imply a preference for biological subject matter. The key is to distinguish suggested styling from established meaning while keeping the association with warning relevant.
Popular-culture adoption has led to this symbol being used in movies, video games, and album graphics. If your own interests lean toward biology, then you might like to consider suggesting something along these lines:
☣ horror fan
☣ zombie fiction