Biological hazard
Biological hazard
A Biological hazard, or biohazard, (pronunciation: /ˌbaɪoʊˈhæzərd/) is a biological substance that poses a threat to the health of living organisms, primarily humans. This could include a sample of a microorganism, virus or toxin that can impact human health. It can also include substances harmful to other animals.
Etymology
The term "Biological hazard" is derived from the Greek word "bios" meaning "life" and the English word "hazard" meaning "danger" or "risk".
Types of Biological Hazards
Biological hazards are typically classified as one of three types: Bacteria, Viruses, and Toxins. Each of these types represents a different kind of threat to human and animal health.
Bacteria
Bacteria are single-celled organisms that can cause a variety of diseases in humans and animals. Some examples of bacterial diseases include Tuberculosis, Salmonella, and Lyme disease.
Viruses
Viruses are smaller than bacteria and require a host organism to reproduce. They can cause diseases such as Influenza, HIV/AIDS, and COVID-19.
Toxins
Toxins are poisonous substances produced by certain plants, animals, and bacteria. They can cause diseases such as Botulism, Tetanus, and Diphtheria.
Prevention and Control
Prevention and control of biological hazards involve the use of Personal Protective Equipment (PPE), proper hygiene practices, and vaccination.
See Also
References
External links
- Medical encyclopedia article on Biological hazard
- Wikipedia's article - Biological hazard
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