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  barber-surgeons cut hair, perform surgery, the barber pole symbol popularized
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  Medical care becomes regulated
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  Islamic hospitals formed; health care for the sick
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  Felicie tries to practice medicine but is denied
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  scientific method occurs
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  HAS is allowed
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  printing press allows for publication of discoveries
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  Antoine describes bacteria
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  Bacon uses microscope to discover plauge fleas
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  discovery of blood cells, bacteria, protozoa, and stethoscope
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  edward jenner discovered 1st vaccination
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  pasteurization of milk
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  practice of medical asepsis
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  Bubonic plague hits San Francisco
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  Discovery of organ transplants, x -rays, radium fo cancer treatment, MRI, CAT scans
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  Alexander discovers penicillian
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  First HMO inssurance
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  Salk discovers polio vaccine
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  WHO declares smallpox eradicated
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  Rhazes discovered difference between smallpox and measles