Bloodborne Pathogens are microorganisms that are present in human blood and can cause diseases in humans. These pathogens enter the body through nose and mouth,and also breaks in the skin.

When these pathogens come in contact with mucus membrane infection begins. Bodily fluids such as blood, vomit,and saliva contain these pathogens. This is why OSHA design the Universal Precautions when working with these pathogens to help prevent th