Table 1: Notations in this paper.

NotationExplanation

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