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Biohazard

☣️ is the biohazard emoji, part of Unicode's Symbols group, added in Emoji 1.0 (2015). Unicode's keyword list links it with “sign”.

Create a new emoji with ☣️

Where warning emoji usually appear

DBEmoji editorial interpretation

Applies to every emoji in this Unicode subgroup, not only this one.

  • Alerts, hazards, and cautionary notes

Technical details

Source: Unicode Consortium
Unicode name
BIOHAZARD SIGN
CLDR short name
biohazard
Codepoint
U+2623 U+FE0F
Hex
2623 FE0F
Emoji version
1.0
Unicode version
8.0
First released
2015
Unicode group
Symbols
Unicode subgroup
warning
Status
Recommended for General Interchange (RGI)

Data verified 2026-10-21 · Unicode Emoji 16.0 · How this data is built

GitHub shortcode

From GitHub's own emoji list (gemoji). Slack, Discord and other apps keep separate lists, so a code may differ there.

:biohazard:

Keywords

Source: Unicode CLDR

biohazard · sign

Tags

dangersign

How it looks

Biohazard — Fluent 3D
Fluent 3D
Biohazard — Fluent Color
Fluent Color
Biohazard — Fluent Flat
Fluent Flat
Your device

Rendered from open-licensed emoji sets. Your device shows its own design. Microsoft Fluent Emoji (MIT)

Download as image

Renders ☣️ with your system emoji font into PNG, WebP, or SVG. Pick a pixel size, then download.

Note: PNG and WebP use the emoji font installed on your device (Apple Color Emoji on macOS/iOS, Segoe UI Emoji on Windows, Noto Color Emoji on Android/Linux), so the look matches your platform. SVG embeds the character as text — rendering depends on the viewer.

Microsoft Fluent UI Emoji — original artwork

Download Microsoft's official Fluent rendering of ☣️. SVG files are vector (scales to any size); the 3D PNG is 256×256.

Questions people ask

What does the ☣️ biohazard emoji mean?
☣️ is the biohazard emoji, part of Unicode's Symbols group, added in Emoji 1.0 (2015). Unicode's keyword list links it with “sign”.
What is the Unicode codepoint for ☣️?
U+2623 U+FE0F: the character U+2623 (BIOHAZARD SIGN) followed by U+FE0F, variation selector-16, which asks for the colour emoji form. Without U+FE0F many systems draw U+2623 as a plain text symbol.
When was the ☣️ biohazard emoji released?
It was added in Emoji 1.0, published in 2015, alongside Unicode 8.0. Phones and computers show it once their system software supports that version; older devices may show an empty box instead.
How do I type ☣️ on my phone or computer?
On iPhone or Android, open the emoji keyboard and search for “biohazard”. On Windows, press Windows key + . (full stop); on a Mac, press Control + Command + Space, then search for the same word. You can also copy ☣️ from this page with one click.
What is the shortcode for ☣️?
On GitHub, type :biohazard: and it turns into ☣️ — that code comes from GitHub's own emoji list. Slack, Discord and other apps keep their own shortcode lists; many codes match GitHub's, but check the app's emoji picker to be sure.