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  2. Georg Wilhelm Friedrich Hegel - Wikipedia

    en.wikipedia.org/wiki/Georg_Wilhelm_Friedrich_Hegel

    Georg Wilhelm Friedrich Hegel [a] (27 August 1770 – 14 November 1831) was a German philosopher and one of the most influential figures of German idealism and 19th-century philosophy.

  3. History of cholera - Wikipedia

    en.wikipedia.org/wiki/History_of_cholera

    Deaths in India between 1817 and 1860 in the first three pandemics of the nineteenth century, are estimated to have exceeded 15 million people. Another 23 million died between 1865 and 1917, during the next three pandemics. Cholera deaths in the Russian Empire during a similar time period exceeded 2 million. [5]

  4. Cholera vaccine - Wikipedia

    en.wikipedia.org/wiki/Cholera_vaccine

    The first cholera vaccines were developed in the late 19th century. There were several pioneers in the development of the vaccine: The first known attempt at a cholera vaccine was made by Louis Pasteur and it was aimed at preventing cholera in chickens. [29] This was the first widely used vaccine that was made in a laboratory. [16]

  5. Cholera - Wikipedia

    en.wikipedia.org/wiki/Cholera

    Cholera (/ ˈ k ɒ l ər ə /) is an infection of the small intestine by some strains of the bacterium Vibrio cholerae. [4] [3] Symptoms may range from none, to mild, to severe. [3]The classic symptom is large amounts of watery diarrhea lasting a few days. [2]

  6. Richard P. Strong - Wikipedia

    en.wikipedia.org/wiki/Richard_P._Strong

    Richard Pearson Strong (1872–1948) was a tropical medicine professor at Harvard who did significant work on plague, cholera, bacillary dysentery and other diseases. He was the first professor of tropical medicine at Harvard, where he critically infected 24 unknowing victims with cholera, causing 13 of their deaths.

  7. Diseases and epidemics of the 19th century - Wikipedia

    en.wikipedia.org/wiki/Diseases_and_epidemics_of...

    An outbreak of cholera in Chicago in 1854 took the lives of 5.5% of the population (about 3,500 people). [15] [32] In 1853–54, London's epidemic claimed 10,738 lives. Throughout Spain, cholera caused more than 236,000 deaths in 1854–55. [33] In 1854, it entered Venezuela; Brazil also suffered in 1855. [25]

  8. Vaccine hesitancy - Wikipedia

    en.wikipedia.org/wiki/Vaccine_hesitancy

    Despite the increase in the number of vaccines over recent decades, improvements in vaccine design have reduced the immunologic load from vaccines; the total number of immunological components in the 14 vaccines administered to US children in 2009 is less than ten percent of what it was in the seven vaccines given in 1980. [19] A study ...

  9. Germ theory's key 19th century figures - Wikipedia

    en.wikipedia.org/wiki/Germ_theory's_key_19th...

    Unlike bacteria, viruses were less understood at the time and Pasteur could not observe them in his microscope. However, he understood the virus was attacking the nervous system. After a few failed attempts at attenuating the virus, he extracted spinal fluid from rabbits with rabies and left the flasks open to air out and dry. This method ...