Dynamics of a Fractional-Order Chikungunya Model with Asymptomatic Infectious Class

Table 1

Description of parameters used in the model system (18).

Symbol	Description	Value	Units
	Natural mortality rate of humans	0.00004 day	[24]
	Incubation period of in humans	12 (5–12) days	[20, 24]
	Biting rate of human by female mosquito	0.19 (0.19–0.39) days	[20, 24]
	Proportion of asymptomatic patients	0.1 (0.1–0.3)	[20]
	Infectious period for asymptomatic patients	10 (7–10) days	[20]
	Infectious period for symptomatic patients	7 (7–10) days	[20, 24]
	The number of mosquitoes per individuals	3	Fitting
	Reduction of infectivity from asymptomatic patients to susceptible mosquito	0.2 (0–1.0)	Fitting
	Efficacy of preventative strategies	0.3 [0–1]	Fitting
	Probability of infection to be transmitted from humans to mosquito per bite	0.9 (0.8–1)	Fitting
	Probability of infection to be transmitted from an infectious to a susceptible human per bite	0.244 (0.06–0.244)	[24, 46]
	Life expectancy of mosquitoes	30 (4–30) day	[19, 20]
	Incubation of mosquitoes	3 (3–7) day	[24, 46]
	Basic reproduction number	1.5–7	[20]