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Jan 4, 1348
The Black Death
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robert hooke saw a cell
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Leeuwenhoek discovered microbes.
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Jenner found the first vaccine
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Matthias Schleiden said all plants are made of cells.
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Theodor Schwann said all animals are made of cells
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Rudolph Virchow noticed all cells are made from previous cells.
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Florence nightingale poor sanitation leads to disease.
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Cholera
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halsted noticed using gloves during surgery can stop germs
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The first virus was discovered.
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First polio outbreak
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Spanish flu
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Discovery of antibiotics
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Zika virus was discovered.
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Polio Pandemic
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Polio Vaccine
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Asian Influenza
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Hong Kong influenza
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First suspected case of HIV and its noticed that HIV causes AIDS.
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SARS epidemic
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H1N1 Swine Flu
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West Africa ebola outbreak