Medical Investigations 1 By kaseyrenshaw 500 Barber-surgeons cut hair and performed surgeries. (the barber pole is from this time too) Period: 500 to Sep 4, 2015 History of Medicine Period: 500 to Dec 31, 1500 Middle Ages Sep 9, 1000 Medical care became regulated Sep 9, 1200 There were a lot of hospitals in the Muslim World at this time. Sep 9, 1200 The teachings of the Chrisitan Church encouraged people to help the sick and needy. Period: Jan 1, 1300 to Dec 31, 1700 The Renaissance Sep 4, 1400 Jacoba Felicie tried to practice medicine but was denied She tried to practice medicine but was denied Period: Jan 1, 1600 to Dec 31, 1900 Industrial Revolution Sep 9, 1600 The scientific method changed how everyone thought about medicine and research. Sep 9, 1665 One of the first reflecting microscopes had been invented. Sep 9, 1673 Antonie Van Leeuwenhoek described bacteria. Sep 9, 1700 Francis Bacon used a microscope to discover plague fleas. Sep 9, 1796 Edward Jenner started practicing vaccinations. Sep 9, 1843 Robert Koch discovered that pathogens are the source of some dieases. Sep 9, 1847 Ignaz Semmelweix showed how important it was to wash hands. Sep 9, 1854 The outbreak of Cholera had been stopped. Period: Jan 1, 1900 to Sep 9, 2015 Modern World Sep 9, 1900 Bubonic Plague hit San Francisco. Sep 9, 1910 X-rays, MRI, and CAT scans had all been discovered. Sep 9, 1928 Alexander Fleming discovered penicillin. Sep 9, 1952 Salk discovered polio vaccine. Sep 9, 2006 The FDA approved Gardasil, which is a vaccine to prevent cervical cancer. Sep 9, 2008 Scientists discovered how to use human skin cells to create embryonic stem cells Mar 2, 2022 Rhazes discovered the difference between smallpox and measles