Table 1.

Results of the Generalized Additive Models.

Parameter	Coefficient	Standard error	t-value	P-value
Intercept	-1.884	0.060	-31.36	<0.001
ln(cumulative imported cases in previous 40 days + 1)	1.095	0.006	185.68	<0.001
Cumulative imported cases in previous 2 days	-0.012	0.001	-11.32	<0.001
S (temperature lagging 42 days)	8.676	8.917	31.30	<0.001
S (precipitation lagging 42 days)	8.953	8.998	25.88	<0.001
S (wind lagging 42 days)	7.387	7.847	14.91	<0.001