Biological hazard

Biohazard is a shorthand term for "biological hazard". It refers to biological substances that pose a threat to (primarily) human health. This can include medical waste, samples of a microoganism, virus or toxin (from a biological source) 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. It can also include substances harmful to animals. There is also a biohazard HCS/WHMIS logo which utilizes the same symbol.

Related Topics:
Biological - Microoganism - Toxin - WHMIS

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

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Graphic novelist Mitchell Vega uses the biohazard sign as his signature in his pictures.

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Biohazardous agents are classified by UN number:

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• UN 2418 (Infectous substance to Humans)
  
• UN 2900 (Infectous substance to Animals)
  
• UN 3291 (Medical Waste)
 
Biological hazard: Levels of Biohazard ►