The Biohazard reference article from the English Wikipedia on 24-Jul-2004
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Biohazard

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Biohazard is a shorthand term for "biological hazard". It refers to biological substances that pose a threat to (primarily) human beings. This can include medical waste, samples of a virus or bacterium that can affect humans, and so forth. It is generally used as a warning, so that those potentially exposed to the substances will know to take precautions.

In Unicode, the biohazard sign is U+2623 (☣).


Biohazard is also the name of a book by former Soviet biological warfare researcher Ken Alibek, purporting to expose the former Soviet Union's covert bioweapon program.