
Notation  Definition 

 Total number of hosts in the network 
 Number of susceptible 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 
 Vaccine rate of susceptible hosts 
 Quarantine rate 
 Removal rate of quaratined hosts 
 Removal rate of infectious hosts 
 Birth and death rates 
 Birth ratio of susceptible hosts 
 Length of the time window in IDS 
