Declan is a nursing assistant who notices that the sharps container is completely full and starting to overflow. He properly disposes of the full container and replaces it with an empty container. This would prevent other nursing assistants from blood contamination through:
direct contact with blood
blood transfusions
needle-stick injuries
contact with other bodily fluids
If Declan is dealing with sharps container, there is a likely chance someone could have gotten stabbed with the needle. Thus he would be preventing other nursing assistants from blood contamination through
