Answer:
A biological hazard, or biohazard, 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 adversely affect human health. A biohazard could also be a substance harmful to other animals..
Some examples of biological hazards are:
Mold and Fungi.
Blood and Body Fluids.
Sewage..
Airborne pathogens such as the common cold.
Stinging insects.
Harmful plants.
Animal and Bird Droppings.
