BIO SCI 45 Lecture Notes - Lecture 2: Girolamo Fracastoro, Bubonic Plague, Smallpox
3 Apr 2018
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Epidemic: the outbreak and rapid spread of a disease in a community, affecting many people at the same time. When a population becomes infected with a contagious disease. Rate of transmission: stabibility and life cycle of the pathogen- inherent efficiency of virus infection (biology) 542-543 ad bubonic plague: encounter rate between an infected individual and a susceptible individual. *these can be altered by interventions and behavior. ), lost to sparta: rome: 165 ad small pox killed 1/3 of pop (54 m) Defeated by visigoth (german tribes) and then (7th century) muslims. Dark ages of europe: 14th century- black death- lung form of the plague (bacterial) Pandemic: an epidemic that has spread to multiple continents. Led to fear of foreigners: 1518 aztecs- small pox. Reduced population from 25-30 m to 1. 5 m. Endemic: disease is always preset in a population, usually requires childhood survival of infection. 1546- germ theory- first proposed by girolamo fracastoro (franciscan monk)
