Given that antibiotics were not generally available in 1937, how could health officials end the epidemic, short of removing the man from the job site?

Bhope this : )

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.