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JENNER CHADWICK ₂ did a survey on the living conditions on the poor in London and then published a book about it, made it so rubbish hod to be thrown into the river & not the streets SNOW creaded the smallpox vaccine by innoculating people using a variant called cow pox however, the problem was that he didn't really "know how they worked 3 made the cholera map showing how people closest to a specific water pump where contracting Cholera. he made the link between Cholera and contaminated drinking water got nurses to clean a hospital while helping during Crimean war infections, bringing making a link between dirt the death rate down by 38 %0 and set up a nursing school teaching nurses to clean up. NIGHTINGALEu SIMPSONS discovered chloroform as an PASTEUR C LISTER 7 effective anaesthetic, looked at lots of other forms before that, wrote about his work on chloroform and then Pioneered its application of are in surgery & midwifery B came up with the germ theory which is now currently accepted as the scientific theory for many diseases, he also created the chicken cholera vaccine discovered that carbolic acid killed germs by asing his knowledge of the germ theory, helped stop infections and more in fricate and complex Operations were now viable to treat. he discovered the specific agents that caused deadly diseases such as tuberculosis, cholera & then anthrax, he also discovered tuberculin KOCH S

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