How does the SIR model for disease spread work, and how can it be altered to explain airborne transmission?
In: Mathematics
SIR is a simple model that divides the population into people who can be infected (Susceptible), people who are currently Infectious, and people who have Recovered and are no longer vulnerable to disease.
The SIR model makes no assumptions about how disease is transmitted and doesn’t need to be altered to account for (not explain – models don’t explain anything, they are an attempt to correspond to reality) airborne transmission. The ease of transmission is bundled into a model parameter.
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