- Susceptible (S): This group comprises individuals who are susceptible to contracting the infectious disease. They have not been infected before and can become infected if they come into contact with infectious individuals.
- Infectious (I): This group contains individuals who are currently infected and can transmit the disease the susceptible individuals.
- Recovered (R): This group contains individuals who have recovered from the infection and may developed immunity to the disease, providing them the protection from reinfection
- β: Infection rate
- γ: Recovery Rate
- N: Total population = S + I + R
Quang Duc Huy (2023). SIR model (https://www.mathworks.com/matlabcentral/fileexchange/131349-sir-model), MATLAB Central File Exchange. Retrieved .
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