Epidemiology Terms
Health care experts who study trends in health issues in populations
6 infectious agents
Prions, Viruses, Bacteria, Protis, Fungi, Helminths
Sources of infectious agents are
Humans, animals, insects, water, and food
How is bacteria named?
By their genus and species
Disease that occurs infrequently and irregularly
Sporadic
Occurs if and when the invasion and growth of a pathogen impair bodily functions
Disease
For a host to encounter an agent, the agent must leave wherever it previously resided which is called the
The "E" in E.Coli represents the bacteria's what?
Genus
A sudden increase in the occurrence of a disease in a localized area
Outbreak
Organisms that are infectious and cause disease are called
Pathogens
The process where the infectious agent leaves the previous host and enters the new host is called
Chain of Infection
3 different shapes of bacteria include
Cocci, Bacilli, Spirilla
Means to originate in the hospital
Nosocomial
The term used for passing along infections
Transmission
Two modes of transmission
Direct Contact and Indirect contact
Which bacteria shape is always in a cell arrangement by itself?
Spirilla
Example of a Nosocomial Infection
Pneumonia, GI Infection, Urinary Tract Infection, Bloodstream Infection, Skin and Soft Tissue Infection
Which infectious agent does not have a treatment?
Prions
Acquired following infection and recovery, or from a vaccine. Your body makes its own antibodies
Active Immunity
If the Gram Stain test is POSITIVE what color would be present?
Purple