Modeling the Effects of Nonpharmaceutical Interventions on COVID-19 Spread in Kenya

Table 1

Parameters of the SEIR model of COVID-19.

Model parameter name	Symbol	Value	References
Rate of infection from the asymptomatic cases (A)		4.0	Estimated
Rate of infection from the mild cases (M)		2.667	Estimated
Proportion of asymptomatic cases		85%	[2, 12, 16]
Proportion of critical cases (C) that progress back to severe cases (H)		0.5	[2, 12]
Proportion of severe cases (H) that progress to critical cases (C)		0.302	[12]
Reciprocal of the average incubation period		0.196	[12]
Recovery proportion of asymptomatic cases (A)		1.0	[12, 16]
Recovery proportion of severe cases (H)		0.698	[9, 12, 17]
Recovery proportion of mild cases (M)		0.9815	[12, 16]
Proportion of mild cases (M) that progress to severe cases (H)		0.0185	[12, 16]
Proportion of fatalities of critical cases (C)		0.5	[12, 18]