| Term | Definition |
|---|---|
| Adoption | In microbiology, the establishment and further spreading of a pathogen within a new host population |
| Antigenic drift | Small changes in the viral coat that happen over time. Antigenic drift can produce a new influenza viral strain that may not be recognized by the body's immune system |
| Antigenic shift | A process involving at least two different strains of viruses, or even different viruses, combining to form a new virus that me then infect different species |
| Centers for Disease Control and Prevention CDC | Acts as a lead US federal agency responsible for providing information, recommendations, and technical assistance to support state and local public health departments |
| Emerging infectious disease | Diseases that are newly identified in the population, or have existed but have changed |
| FDA | US Food and Drug Administration |
| IEIP | International emerging infections program |
| Ihr | International Health Regulations |
| NCPDCID | National Center for preparedness detection and control of infectious disease |
| NIAID | National Institute of Allergy and Infectious Disease |
| Reemerging infectious disease | Older diseases thought to be under control but are reemerging |
| United Nations | An international organization that aims to facilitate cooperation between countries regarding international law and other topics to achieve world peace |
| Urbanization | A process by which large numbers of people become concentrated in smaller areas, forming cities |
