Select the proper term for each step in the chain of infection described below. Bacteria, viruses, fungi, and parasites are
The home base or source location from which agents can spread to cause disease is called a
The way an infection is spread from one person to another is known as the
DONE

Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?