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Master equation terms. The transition probability of infection per unit time is given as an example of a transition into and out of state 
for the SIS and SIR stochastic processes. The other transition probability fluxes can be found in Tables 2 and 6
| System | State α | Alternative states 
|
| SIS | I |
|
| SIR |
|
|
| System | Probability flux into 
|
Probability flux out of 
|
| SIS |
|
|
| SIR |
|
|
