2013
I The Bare bones : Basic issues in the simplest context
1. The epidemikc in a closed population
2. Heterogeneity : The art of averaging
1. The epidemikc in a closed population
p 3, 🎃1.1 The question and the underlying assumptions
demographic procss , eg human order 10yr
แต่ถ้า infection disease sweep มักจะสั้นกว่า เช่น influ – order เป็น wk
closed population – นั้นคือ ignore emgration , immigation
2. Heterogeneity : The art of averaging