Can doctors (not surgeons) ever be replaced by computers?

A doctor's job basically consists of deciding what medicine to prescribe given a specific set of symptoms. A computer with a database of symptoms specific to a disease can be used to narrow down what ailment one may have and decide what medicine to prescribe. All that would need to be done is a physical... show more A doctor's job basically consists of deciding what medicine to prescribe given a specific set of symptoms. A computer with a database of symptoms specific to a disease can be used to narrow down what ailment one may have and decide what medicine to prescribe. All that would need to be done is a physical examination, which a doctor doesn't really need to do, and all the findings can be input into a computer. Can this ever be done? I heart you.
Update: Meaning a nurse can perform a physical examination.
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