What are blood borne pathogens defined as?

Blood borne pathogens are defined as microorganisms that are present in human blood and other bodily fluids. This includes various types of viruses and bacteria that can cause diseases when they enter the body, typically through cuts, punctures, or exposure to mucous membranes. The significance of understanding blood borne pathogens lies in their potential to be transmitted from one person to another, particularly in healthcare and other occupational settings where exposure to blood and bodily fluids is a risk.

The other options do not accurately depict blood borne pathogens; for instance, microorganisms in contaminated water refer to pathogens that can be transmitted through waterborne routes rather than through direct blood contact. Similarly, bacteria found on skin are not considered blood borne since they typically exist externally rather than within the bloodstream. Viruses that primarily affect animals are not classified as blood borne in humans, although some can be zoonotic. Understanding the specific definition of blood borne pathogens is crucial for ensuring proper safety protocols and health practices to prevent transmission and infection.