Emergency Response for COVID-19 Prevention and Control in Urban Rail Transit Based on Case-Based Reasoning Method

Table 1

Public health emergency problem characteristics, emergency response effect, and response cost.

Case	Problem characteristics of public health emergency					Description vector of emergency response effect	Description vector of response cost
		5	Airborne	3	6			484	(good, common, good)	(35, 50, 90, 40)
	3	Food transmission	5	2	814	(good, good, common)	(20, 45, 75, 50)
	7	Airborne	7	5	1052	(very good, very good, good)	(40, 50, 110, 55)
	6	Airborne	5	6	870	(good, very good, common)	(25, 60, 105, 42)
	4	Communication	8	1	387	(bad, good, common)	(20, 47, 85, 51)
	6	Airborne	6	2	846	(very good, good, common)	(35, 40, 108, 44)
	7	Blood transmission	9	3	658	(very good, good, very good)	(50, 56, 109, 51)
	2	Droplets spread	2	5	587	(good, very good, common)	(24, 37, 65, 31)
	6	Airborne	6	2	897	—	—