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  1. Biological hazard - Wikipedia

    A biological hazard, or biohazard, is a biological substance that poses a threat (or is a hazard) to the health of living organisms, primarily humans. This could include a sample of a microorganism, virus …

  2. Biohazardous Waste - Biological Safety - Environmental Health ...

    Biohazardous waste disposal involves the safe and regulated management of materials that pose a risk to human health, the environment, or both. This waste includes items contaminated with infectious …

  3. Biohazard Exposure - Ready.gov

    Apr 24, 2023 · The first sign of a biohazard exposure may be when people notice symptoms of the disease caused by exposure to the bacteria, virus or toxin. Public health officials may not …

  4. Biological Hazard: Examples of Biohazards & Prevention

    Feb 17, 2023 · Biological hazards, or biohazards, are substances that threaten the health of living organisms. Find out about biohazard examples and how to prevent them.

  5. 6 Common Biohazard Examples and Safety Levels - Aftermath

    Dec 23, 2024 · What is a Biohazard? A biohazard is any biological material—including microorganisms, plants, animals, or byproducts—that poses a threat to human or environmental health.

  6. What Is a Biohazard? Categories, Levels, and Risks

    Aug 18, 2025 · A biohazard refers to any biological substance that poses a threat to the health of living organisms, primarily humans. The danger can manifest as an infection, toxicity from harmful …

  7. What Constitutes a Biohazard, and Why Should It Be ...

    Oct 31, 2024 · Biohazards can be classified into four primary categories: infectious agents, biological toxins, human bodily fluids, and medical waste. Infectious agents include bacteria, viruses, fungi, and …

  8. Biological Hazard Examples & How to Prevent Them ...

    A biological hazard, sometimes called a biohazard, refers to any substance produced by a living organism that can threaten human health. Common examples include bacteria, viruses, fungi and …

  9. Biological Hazards - Centers for Disease Control and Prevention

    Jun 10, 2022 · Biological hazards are disease producing agents (pathogens) that can be transmitted to individuals through various routes of exposure (modes of transmission). Exposure to these hazards …

  10. BIOHAZARD Definition & Meaning - Merriam-Webster

    The meaning of BIOHAZARD is a biological agent or condition that is a hazard to humans or the environment; also : a hazard posed by such an agent or condition. How to use biohazard in a sentence.