HLSC 4P51 Lecture 2: HLSC 4P51 - SEPT. 12
15 Sep 2018
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Document Summary
Susceptibility is a key factor in the chain of infection. If you already suffered influenza this year, you are immune to the strain that is circulating in your area - you will not suffer flu a second time. In a situation where a large proportion of the population is susceptible, you can have an outbreak, leading to an epi or pandemic. 542 ad: mediterranean epidemic kills between 25-50% of the population of the. 430bc - athens was under siege by sparta during the peloponnesian. In the nest 3 years, most of the population was infected, and as many as. 75-100,000 people died - 25% of the city"s populatoion. Highly contagious epidemic exhibited a pustular rash, high fever, and diarrhea. Originated in ethiopia and spread throughout the mediterranean. Reservoir disease (including typhus, arboviral diseases and plague) or. Spread of the epidemic was favoured by the occurrence of two military episodes.
