| Term | Definition |
|---|
| Incidence (of disease) | The number of new causes over a certain time period per healthy population. #cases/ 100,000 |
| Morbidity Rate | Number of new cases over a certain time period. AKA Incidence of disease |
| Mortality Rate | Incidence of Death |
| Prevalence | Percent of the population having a particular disease at any given time |
| Sporadic | A few isolated cases in widespread areas. Poses no great threat to overall poppulation |
| Endemic | Disease constantly present in a population or geographic area. Ex. Common cold |
| Epidemic | Many people acquire the disease in a short period of time at the same time Ex. Influenza, Measles |
| Pandemic | Worldwide epidemic |
| Acute Disease | Disease that develops rapidly but lasts only a short time Ex. Influenza |
| Chronic Disease | Disease that develops more slowly, body reactions less severe but are continuous or recurrent for long periods of time Ex. Syphilis, Leprosy, Arthritis |
| Subacute Disease | Intermediate between acute and chronic disease |
| Latent Disease | Disease in whichthe causative agent remains inactive (latent) but can become active, producing disease Ex. Tuberculosis |
| Herd Immunity | Many individuals wihtin a population are immune. |
| Herd Immunity (helps because...) | Prevents the rapid spreading of disease. Bacteria is unable to reproduce |
| Local Infection | Organism limited to relative small area Ex. Boil or Abscess |
| Systemic Infection | Organism and/or products are spread throughout the body |
| Focal Infection | Local infection that spreads to another sepcific part of the body |
| Bacteremia | Presence of bacteria in the blood |
| Septicemia | A form of Bacteremia. A term refering to the presence of pathogenic organisms in the bloodstream, leading to sepsis |
| Sepsis | Bacteria mutiplying in the blood. A medical condition characterized by a whole-body inflammatory state |
| Toxemia | Toxins in the blood |
| Viremia | Presence of viruses in the blood |
| Primary Infection | Acute infection caused by the initial infective agent |
| Secondary infection | Infection caused by an opportunist after primary infection has weakened the host |
| Subclinical (Asymptomatic) Infection | No apparent signs or symptoms of disease |
Combine with other sets
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