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VETT 113
Epidemiology, Taxonomy, and Microbes-Bacteria
Term | Definition |
---|---|
Epidemiology | Study of cause, incidence, source, method of transmission, and distribution of disease in a population |
Morbidity/morbid | An illness or abnormal condition/diseased/unhealthy |
Mortality/mortal | Death or death rate |
Endemic | Disease found at a fairly constant, low incident rate in a population |
Epidemic | Outbreak; occurrence of more cases of disease than expected; epizootic in animals |
Pandemic | Spread to several countries; worldwide affects large population |
Reportable diseases | Certain disease that must be reported to health officials at the local, state, and federal levels |
Asymptomatic/ subclinical Infection | Animal is infected but no clinical signs develop |
Symptomatic/ clinical signs | Animal is infected and shows a variety of clinical signs of the disease |
Taxonomy | Orderly classification of organisms into groups; allows each to have a specific scientific name |
Aerobic bacteria | Needs oxygen to grow |
Anaerobic bacteria | Does not need oxygen |
Obligate | Requires |
Facultative | Capable of living with either condition |
Endotoxin | Outer part of the cell membrane of the cell wall of gram negative bacteria |
Exotoxin | Toxin secreted by bacteria |