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First person to see bacteria
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The first serious attack on the idea of spontaneous generation was made in 1668 by Francesco Redi.
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reported sightings of bacteria and algae to royal society in London
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Carried out famous surgery on 8 year old James phipps, he injected a small amount of cow pox into the boy to see if his body could build up immunity to the diseases
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His smallpox immunisation was given to people around the world
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The 1800s brought knowledge of the cultivation and identification of micro-organisms.
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John Snow proposed a theory that a ‘miasma’ or cloud of infection could explain how cholera epidemic in London
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Theory that cells could arrise from nonliving cells
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Lister read about pastuers theory but believed that microbes in the air caused diseases
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Germ theory was finally appreciated 5 years after semmelweiz death
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Discovery of penicilin
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Fleming discovers penicillin from the Penicillium notatum mold
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the germs in broth experiment was done.