HLTB21H3 Chapter Notes - Chapter 1: The Population Bomb, Hunter-Gatherer, Zoonosis
Document Summary
The nature of plagues and the price of being sedentary. Plague: the sudden increase in a number of people in a population affected by a disease. Epidemiologist: are disease forecasters who study patterns in the spread and control of a disease by using statistic data and mathematical modeling also used to identify the causes, modes, and likelihoods of the disease transmission. For an infection to persist it must transmit the infection to someone else. The number of individuals infected by an infected person is r0. The longer someone is infected and the greater number of contacts the greater the value of r0 and the faster it will spread. Type 1: pop is large, pattern shows regular outbreaks, and it never completely disappears. Type 2: peaks are discontinuous, regular occurrences. Type 3: occurs in smaller communities, increased # of cases, and long periods of time with no cases.
who are not infected.