Table 3.

Measurement Index Data Value of Wuhan

Tag	Measurement index	2020/1/16	2020/1/22	2020/2/12
BRF	Newly confirmed cases	4	62	12,523
	“Mask” search index	159	4637	910
	“Fever” search index	144	695	233
SET	Population size	15 million	15 million	15 million
	Density of ground bus network	3.311	3.311	—
	Density of subway network	0.872	0.872	—
	Migration scale index	5.852	12.264	0.002
RIF	Maximum air temperature	3	13	7
	Community isolation policies	No	Actuation point	Yes
	Public epidemic prevention resources	Short of	Tense	Abundant