Table 2.

Fitted Parameters of the model.

		Delta Variant		Omicron Variant
Parameter	Description	Fitted Value	95% Confidence Interval	Fitted Value	95% Confidence Interval
β	effective contact rate	0.4974	0.4893–0.5054	0.8589	0.8561–0.8617
k	proportion of A that are detected (test detection)	0.1726	0.1622–0.1830	0.6968	0.5190–0.8745
f1	proportion of E that become Id	0.3647	0.0145–0.7148	0.1921	0.1920–0.1922
pmask	proportion who wear mask	0.4515	0.4466–0.4563	0.6344	0.6306–0.6382
pdist	proportion who social distance	0.6222	0.6117–0.6328	0.6457	0.6389–0.6524
f2	proportion of Id1that become H1	0.038	0.0270–0.0480	0.0218	0.0206–0.0229