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| Notation | Explanation |
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| Total number of hosts in the network |
| Number of susceptible hosts at time |
| Number of exposed hosts at time |
| Number of infectious hosts at time |
| Number of delayed hosts at time |
| Number of quarantined hosts at time |
| Number of vaccinated hosts at time |
| Infection rate |
| The rate at which exposed hosts become infectious |
| Removal rate of infectious hosts |
| The rate at which vaccinated hosts become susceptible |
| The rate at which exposed hosts are vaccinated or treated |
| Removal rate of quarantined hosts |
| Quarantine rate of infectious, exposed, and susceptible hosts |
| Time delay of detecting and removing worms |
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