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The transition probability matrix for a single pathogen with the SEIR states
| Time = t + 1 | |||||
| Susceptible | Exposed | Infectious | Recovered | ||
| Susceptible | 1 − TP 1(t) | TP 1(t) | 0 | 0 | |
| Time = t | Exposed | 0 | 1 − TP 2 | TP 2 | 0 |
| Infectious | 0 | 0 | 1 − TP 3 | TP 3 | |
| Recovered | 0 | 0 | 0 | 1 |
