Pasture work in wine fields to help with fermentations that showed how to kill germs. He also worked in textiles finding cures for disease that affected silkworms and he also found cures of chicken cholera, anthrax and rabies.
Pasteur had to fight with surgeons to show them that germs existed and that instruments and hands carried germs which lead to disease. Pasteur’s pasteurization killed the germs which helped prevent the spread of diseases.
Pasteur was very controversial and there were many that thought of