Unit · year 4
BU-403 · Epidemiology & Disease Ecology
Threads systems · evolution24 lectures5 concepts
Modelling how diseases spread through populations.
Lectures
| L01 | What Epidemiology Asks — |
| L02 | Incidence, Prevalence, and Study Design — |
| L03 | Compartmental Models |
| L04 | The SIR Model |
| L05 | Solving and Simulating SIR |
| L06 | Extensions: SEIR and Carrier States |
| L07 | Defining R₀ |
| L08 | The Basic Reproduction Number |
| L09 | Estimating R₀ from Data |
| L10 | The Effective Reproduction Number |
| L11 | The Epidemic Threshold |
| L12 | Modes of Transmission |
| L13 | Contact Networks and Heterogeneity |
| L14 | Superspreading and Overdispersion |
| L15 | Vector-Borne Transmission |
| L16 | Zoonotic Spillover |
| L17 | Herd Immunity: The Principle |
| L18 | The Herd Immunity Threshold |
| L19 | Waning Immunity and Reinfection |
| L20 | Vaccination Strategy |
| L21 | Targeted versus Mass Vaccination |
| L22 | Ring Vaccination and Eradication |
| L23 | Pathogen Evolution Under Intervention |
| L24 | Synthesis: Models That Guide Public Health |
Concepts in this unit
T-115
The SIR model
Compartmental modelling of an epidemic.
T-116
The basic reproduction number
R0 sets the threshold for an outbreak.
T-117
Herd immunity
The immune fraction that halts transmission.
T-118
Transmission dynamics
Contact rate, infectiousness and spread.
T-119
Vaccination strategy
Controlling disease at the population level.