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Chapter 19
Disease transmission and Infection Prevention
| Term | Definition |
|---|---|
| Artificially acquired immunity | Immunity that results from a vaccination |
| Blood-borne pathogens | disease-causing organisms transferred through contact with blood or other body fluids. |
| Chain of infection | conditions that all must be present for infection to occur |
| Chronic infection | an infection of long duration |
| Communicable disease | condition caused by an infection that can be spread from person to person or through contact with body fluids. |
| Percutaneous | through the skin such as with a needle stick, cut, or human bite |
| Direct contact | touching or contact with a patients blood or saliva |
| Droplet infection | an infection that occurs through mucosal surfaces of the eyes, nose, or mouth. |
| Immunity | ability of the body to resist disease |
| Indirect contact | touching or contact with a contaminated surface or instrument |
| Inherited immunity | immunity that is present at birth |
| Latent | persistent infection with recurrent symptoms that "come and go" |
| Naturally acquired immunity | immunity that occurs when a person has contracted and is recovering from a disease |
| Permucosal | contact with mucous membranes, such as the eyes or mouth |
| Virulence | strength of a pathogen's ability to cause disease; also known as pathogenicity |