Exam 3
What is Epidemiology?
– The study of occurrence, distribution and control of infectious disease in populations
What are aspects of Epidemiology?
– Terminology
– disease reservoirs and carriers
– disease transmission
– AIDS and nosocomial epidemiology
– public health
What are the three main types of disease occurrence?
Define “Incidence” in Epidemiologic terms
– number of new cases of a disease in a given area during a given time period
Define “Prevalence” in Epidemiologic terms
– number of total cases of a disease in a given area during a given period of time
What are the stages of disease progression?
– incubation period
– prodromal period – initial symptoms
– illness (acute) period
– decline period
– convalescent period
What are modes of disease transmission?
-Contact Transmission
-Vehicle transmission
-Vector Transmission
What are microbe disease mechanisms?
-Growth of the microbe in an inappropriate place
-Production of toxic substances (i.e. exotoxins)
How can transmission be prevented?
-food protection laws
-respiratory: masks
-washing hands, etc
What is the fastest growing category for new AIDS cases?
-heterosexual adults
What is Surveillance?
-observation, recognition, reporting of diseases
-provides forewarning
Leave a Reply
Your email address will not be published.


I'm Colin!

Would you like to get a custom essay? How about receiving a customized one?

Check it out