| A | B |
| AIDS | Acquired Immunodeficiency Syndrome |
| HIV | Human Immunodeficiency Virus |
| HBV | hepatitis B Virus |
| Chain of Infection | factors that lead to the transmission or spread of disease |
| Communicable Disease | disease that is transmitted from one person to another |
| Contact Precautions | must be used for any patient that may be infected with a rapidly spreading microorganism |
| Disinfection | Aseptic control method that destroys pathogens but does not usually kill spores or viruses |
| Sterilization | process that results in total destruction of all microorganisms |
| Virus | one of large group of very small microorganisms, many of which cause diseases |
| Bacteria | one-celled microrganism that can be beneficial or harmful |
| Fungus | group of simple plant like organisms that live on dead organic matter |
| Pathogen | Disease causing agent |
| Nosocomial | pertaining to or originating in a health care facility such as a hospital |
| Mode of Transmission | a way the pathogen can be transmitted from the reservoir to the host |
| Airborne Precautions | used for patients known or suspected to be infected with a pathogen that may be transmitted through airborne droplets |
| Standard Precautions | recommendations that must be followed to prevent transmission of pathogenic organisms by way of blood or bodily fluids |
| Epidemic | an infectious disease that affects a large number of people within a population, community, or region at the same time |
| pandemic | an infectious disease that affects many people over a wide geographic area; a worldwide epidemic |
| strep | streptococcus: a bacteria |
| MRSA | methicillin resistant staphylococcus aureus |