Positive Periodic Solutions of an Epidemic Model with Seasonality

Table 1

Descriptions and values of parameters in model (1).

Parameter	Interpretation	Value
𝑟	The intrinsic growth rate
𝑘	The carrying capacity	100000
𝛽	The transmission rate
𝑚	The natural mortality rate	0.1
𝜎	Clinical outcome rate	0.2
𝜇	The disease-induced mortality rate	0.1
𝑎	The baseline contact rate
𝑏	The magnitude of forcing