Table 2. Fixed parameter values estimated based on available published literature.

These estimated values derived from the existing COVID-19 and SARS-CoV-2 literature.

Symbols	Values	Units	Definitions	Sources
μ	80.3 × 365	1/day	Natural Death Rate (Reciprocal of the average life expectancy of 17 countries sampled)	(40, 47)
μS	0.00159	1/day	Infected death rate	(4, 35)
η	5.5	days	Incubation Period	(43)
1/ω	η − ε−1	days	Expected time in the asymptomatic state	Fitted and dependent on η
v	0.031	1/day	Recovery rate (Average of 3 to 6 weeks)	(43)
p	0.956	initless	Fraction that move along the “mild” recovery track	(2)
k	0.649	1/day	Viral decay rate in environment [using average of all material values, wood, steal, cardboard, plastic)	(12)