There's already a method, don't need a whole new profession
I read a story (probably linked from here) about a doc who made what amounts to a pre-flight checklist for docs and nurses to maintain. Every hospital that adopted them showed a dramatic decrease in infections, complications, and recovery time. But doctors keep fighting them, with the same bullshit excuses they used in the 1800s when they were told to wash their hands. (By the way, poor hand washing by doctors is still one of the top causes of hospital-borne infections.)
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Drew