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Keep in mind that
the Epidemiology mantra of “Person, Place and Time” can be accounted for by
the use of demographic data! Think of what John Snow was able to do with
the Cholera Epidemic in England during the 1800s. He was able to
systematically map out (without GIS) where people were dying, and from this
was able to infer a possible cause for the epidemic (without knowledge of
the organism), and provided a simple solution to the problem (without
enacting legislation) - remove the handle of a water pump!
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