Crime Scene Cleanup
A biological hazard or biohazard is an organism, or substance derived from an organism, that poses a threat to (primarily) human health. This can include medical waste, samples of a microorganism, virus or toxin (from a biological source) that can impact human health. It can also include substances harmful to animals. The term and its associated symbol is generally used as a warning, so that those potentially exposed to the substances will know to take precautions. There is also a biohazard HCS/WHMIS logo which utilizes the same symbol.
In Unicode, the biohazard sign is U+2623 (☣).
Biohazardous agents are classified for transportation by UN number:
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The United States' Centers for Disease Control and Prevention (CDC) categorizes various diseases in levels of biohazard, Level 1 being minimum risk and Level 4 being extreme risk.
This is an important question. The short answer is this: It is now easier to catch a disease from blood than previously. Blood-borne pathogen's have always been with us and have always diversified in nature. Now, blood-borne pathogen's have become more dangerous and easier to contract. So the business field known as Crime Scene Cleanup has grown to serve the needs of blood cleanup for residential, commercial, and industrial environments. Also, Crime Scene Cleanup, as written about earlier, is a phrase that glamorizes trauma cleanup.
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