A Brief History of Microbiology Learning Outcomes

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Slide 19 Slide 20 Koch’s Postulates • The same pathogen must be present in every case <strong>of</strong> the disease • The pathogen must be isolated from the diseased host and grown in pure culture • The pathogen from the pure culture must cause the disease when it is inoculated into a healthy, susceptible animal • The pathogen must be isolated from the inoculated animal and must be shown to be the original organism Biol 240 S06 19 • Observed mortality rate <strong>of</strong> mothers higher when attended by doctors • puerperal fever • Hypothesis: docs transmitting disease on unwashed hands Semmelweis Biol 240 S06 20 ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ____________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ____________________________________________________________________
Slide 21 Slide 22 • Mortality due to puerperal fever (Streptococcus pyogenes) 18% May 1847 • Semmelweis initiated handwashing regime with chlorinated lime (CaClO 2 ) • Mortality fell to less than 3% in June– November 1847 Semmelweis Joseph Lister Lister pw1.netcom.com/~aguldo/ agga/bt/txt/bt1899.htm Biol 240 S06 21 www.umanitoba.ca/.../medicine/ history/lister/anessurg.html Biol 240 S06 22 ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ____________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ____________________________________________________________________
Page 1 and 2: Slide 1 Slide 2 Learning Outcomes A
Page 3 and 4: Slide 5 Slide 6 “Excuse me Waiter
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Page 7 and 8: Slide 13 Slide 14 Francesco Redi Jo
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A Brief History of Microbiology Learning Outcomes

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