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15 Cards in this Set

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Black Death
Bubonic Plague, spread through vectors chinese rat fleas, killed 1/3 population--1347 to 1350.
other name, how spread, how many died, dates. Before columbus.
What is a disease? Give Examples
A consistent presentation of symptoms, signs, and pathology. Generally resulting from the same cause. Ex. Hodgkin's, Cholera, TB, Alzheimer's
none
The two types of epidemics?
Common Source, and Host to Host
Host
an animal or person in whom the disease presides (lives)
carrier
Disease Agent
something that causes disease, usually a microbe or toxin
Vector
an organism that coveys an agent from one host to another
Vehicle or Fomite
an inanimate object which transmits a disease agent to a new host
Prevalence
Ratio of people with disease to the population
Incidence
Ratio of new cases to the person-time in a population
Epidemiology
The study of that which falls upon the population/The science of the occurrence, causes, frequencies and distribution of diseases.
Common Source Epidemics
One common exposure results in disease
Host to Host Epidemics
Passage from person to person or vector to person.
Father of Epidemiology?
What did he do?
John Snow, First to use a logical, systematic approach to identify the source of Cholera in a local London Epidemic. Water pump/mapped out disease.
When was he cholera outbreak in London?
1845
about 100 years before WWII
What does Epidemiology do?
•Helps us find the causes of diseases
•Helps us plan for the burden of disease
•Helps us prepare for the onset of disease
•Helps us control outbreaks of disease
•Helps us identify ways to prevent disease
•Helps us evaluate the effectiveness of interventions, drugs, vaccines
6 points