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micro Epidemiology

Epidemiology 4/28

QuestionAnswer
quantitative study of the occurrence of disease and factors that influence disease frequency and distribution Epidemilogy
4 disease categoriesa as they relate to epidemiology endemic, epidemic, sporadic, and pandemic
is one that is always present withing a population occurring all the time endemic disease
occur in small localized unpredictable outbreaks sporadic disease
when the # of a disease is above the expected background level epidemic disease
when disease is spreading to involve people in multiple nations on more than one continent pandemic disease
the total of all potential sources for a disease causing agent reservoirs
5 non living reservoirs water, air, soil, food,and fomites
small articles like bedding or utensils that bacteria can be carried on fomites
non living factors involved in disease transmission vehicles
4 living reservoirs humans, non human animals, arthropods, and vectors
diseases usually associated with non human animals but can be transmitted to humans like Plaque and Lyme disease are called zoonoses
are living organisms involved in disease transmission like lice and ticks vectors
the 2 primary factos influencing the prevalence of disease are the reservoirs involved and the mode of transmission
__ transmission occurs between a susceptible host and a living reservoir direct transmission
__ transmission when a susceptible host contracts a vehicle previously in contact with a reservoir indirect transmission
the primary factor influencing mode of transmission for a particular pathogen is... how sensitive the pathogen is to exposure
the # of cases of a particular disease per unit population and time period morbidity rate
the # of deaths attributed to a specific disease per unit population and time period mortality rate
Created by: JohnPink
 

 



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