What are biological hazards associated with?

Biological hazards are primarily associated with working with living organisms, which includes animals, plants, and people. These hazards can stem from various sources such as bacteria, viruses, fungi, and other pathogens that can lead to infectious diseases. When individuals are in close contact with these living entities, there is an increased risk of exposure to these biological agents, which can pose significant health risks.

For instance, healthcare workers may encounter biological hazards when dealing with patients who have infectious diseases, or when handling animal specimens that could harbor zoonotic diseases. Understanding this association is crucial for implementing appropriate safety measures, such as vaccinations, proper use of personal protective equipment (PPE), and following strict hygiene protocols to minimize the risk of exposure and transmission.

The other choices refer to different categories of hazards. Handling sharp instruments relates to physical hazards, which can cause cuts or punctures. Exposure to toxic chemicals refers to chemical hazards that can cause harmful effects upon contact or inhalation. Allergic reactions to medications involve immunological responses, but they do not encompass the range of biological hazards associated with living organisms.