Variations on SIR models

Variations on SIR models

SIR model with births and other deaths

Exposure period (SEIR model)

Susceptible, exposed, infectious, recovered.

No lasting immunity (SIS model)

can do \(SI_1SI_2\).

No lasting immunity

Susceptible - Infected - Susceptible

Infected model as before

SIRS

short period of no infection

SEIS (with exposure)

no long term immunity

Sesonal effects

\(\beta\) varies over time

Maternal models

MSIR

born with immunity

MSEIR

MSEIS

Age structured models