Hopf-Bifurcation Analysis of Pneumococcal Pneumonia with Time Delays

Table 2

Description of parameters.

Parameter	Description	value/unit	Source
	Recruitment rate	22	estd
	Effective vaccination rate		[28]
	Transfer rate from to I class		assumed
	Natural mortality rate from causes unrelated to the infection		[29]
	Disease–induced mortality rate		[30]
	Progression rate from to class		[31]
	Per capita rate of recovery		[32]
	Waning rate of vaccine		[32]
	Proportion of the sero–type not covered by vaccine	0.54	[33]
	Transmission coefficient		assumed
	Delay for the incubating individuals	1–3 days	[34]
	Delay in seeking medical care	2 days	[35]