SIR model

The SIR model is a mathematical framework used to understand how infectious diseases spread through populations. It divides the population into three groups: Susceptible (S), who can catch the disease; Infected (I), who have the disease and can spread it; and Recovered (R), who have recovered and are immune. The model helps predict how an outbreak will unfold by calculating the rates at which people move between these groups. By mapping these transitions, public health officials can make informed decisions about interventions and strategies to control disease spread.