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    Hi all,

    I have an assignment to complete and need some help on it, so any help given will be appreciated. I am currently studying Microbiology and the question relates to food microbiology.

    Basically i have to answer the following question:

    Campylobacter and Salmonellae are the most common causes of bacterial
    gastroenteritis. Compare and contrast the incidence, epidemiology,
    transmission and pathogenicity of these organisms.

    I am struggling to understand all of this and i have been researching but i may have over done it with the research and now im just confused. Could someone explain the following in terms of food microbiology and what i should be including for each section below?

    What does it mean by epidemiology?

    What does it mean transmission?

    What does it mean by pathogenicity?

    I am not asking for anyone to complete the question for me just a simple breakdown of what the above terms mean and what kind of information i should be looking to include in each section.
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    Incidence = number of new cases per unit time
    Epidemiology = very broad?
    Transmission = how the bacteria are transmitted / passed on from an infected host to an uninfected individual
    Pathogenicity = the degree of damage the bacterium causes in the host
 
 
 
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