MICROBIO 140P Lecture Notes - Lecture 17: Diphtheria, Scarlet Fever, Herd Immunity
10 Apr 2016
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**grades on the second exam had a lower average than the first exam: average 88. More than half of the class got the red queen question wrong: the red queen hypothesis: ecological theory where there are pathogens and hosts and the two are in a race to overcome one another. When the pathogen has the upper hand, the human dies. When the human has the upper hand, the immune system kills off the pathogen and the human overcomes the disease. The disease, its origins, prevention, and eventuation eradication. Two things that help disease prevention: vaccines (hopeful prevention, drugs (hopeful treatment; ex. antibiotics/antivirals) Small pox: dna virus: orthopoxvirus (genus) (family: poxviridae) Monkey pox: can be internal/differing severities, variola major: killed approximately billion people from 1900-2000, variola minor: 1% die. Virgin soil epidemic (a. crosby theory: new lands exposed to new diseases. Domestication of animals: food , meat, milk, eggs, power.
