Unicode U+2623, introduced by Unicode version V1.1 in 1993
The 'biohazard sign' emoji is a text-based symbol that has been around since Unicode V1.1, and should be supported by just about every device and browser. As a standard symbol, you should also be able to copy and paste the 'biohazard sign' symbol (or the HTML entity ☣) in your browser or on social networking sites like Facebook and Twitter.
Different devices may have different versions of the biohazard sign emoji. The chart on this page shows how this emoji is displayed on Android, iOS, and other platforms.
Click To Tweet This Emoji: ☣
Copy this emoji
To use 'biohazard sign' on social media like Twitter, Facebook, or Instagram, you can copy the emoji character on the left. This is a special character, not an image, so it can be used anywhere.
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