Table 3.

Control measure with continuous import cases for continuously 5 days.

Measure	Description
A	Level III response with layer-1 contact isolation with the
	isolation rate 0.7.
B	Measure A control from the beginning, and layer-2 contact
	isolation when daily new confirmed cases exceeded 3 per day.
C	Measure B control, and start level II response when the daily
	new confirmed cases exceeds 5 per day.
D	Measure C control, and start level I response when the daily
	new confirmed cases exceeds 8 per day.