Stability Analysis of SIRS Model considering Pulse Vaccination and Elimination Disturbance

Table 1

Description of the system parameters.

Parameters	Description
	The birth rate
	The effective contact rate between the susceptible class and the infective class
	The natural death rate of the population
	The disease-related death rate of the infective class
	The natural recovery rate of the infective class
	The vaccination rate of the susceptible class
	The loss immunity rate of the recovered class
	The elimination rate of the infective class
	The time for vaccination and elimination
	The impulsive period