Pasteur encouraged doctors to sanitize their hands and boil or sterilize equipment before surgery. before this, few doctors or their assistants did this and many patients got sicker and even died because of the non-sterile conditions. what gave pasteur this idea?
a) the discovery of anthrax, cholera, and rabies.
b) the use of dead rabbits to produce the rabies vaccine.
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c) his work proving that unseen bacteria can cause disease.
d) his work proving that dead bacteria may be used as vaccines.