Which type of hazard is a biological hazard?

A biological hazard specifically refers to any risk associated with living organisms or their by-products, particularly those that can cause harm to human health. This encompasses pathogens such as bacteria, viruses, fungi, and parasites, which can lead to diseases or infections. In the context of hazardous materials, understanding biological hazards is crucial for ensuring safety, as these agents can be found in various environments and can be transmitted in different ways, including through direct contact, inhalation, or ingestion.

Recognizing a biological hazard is important for first responders, healthcare workers, and professionals in various fields who may encounter these pathogens in their line of work. The other choices present hazards associated with distinct categories: chemical hazards relate to substances that can cause harm through exposure, explosive hazards involve materials that can explode, and physical hazards pertain to dangers such as extreme heat or radiation. Each type of hazard requires specific training and precautions, distinguishing biological hazards as a unique and critical focus area within safety training and practices.