Table 2. The simulation model and formulas in a Microsoft Excel^® spreadsheet used to calculate the risk of Escherichia coli in processed cheese by means of the @RISK software

Input Model	Unit	Code	Formula	References
CONSUMPTION
Daily consumption	g	Consump	=RiskWeibull[1.3482, 20.932,	MFDS (2013),
average amount			RiskShift(0.26384),RiskTruncate(0,100)]
Daily consumption	%	ConFre	Fixed 2.323	MFDS (2013)
frequency
		CF(0)	=1−2.323/100	MFDS (2013)
		CF(1)	=2.323/100	MFDS (2013)
		CF	=RiskDiscrete{[0,1],[CF(0),CF(1)]}	MFDS (2013)
		ConFre	=IF(CF=0,0,Consump)	MFDS (2013)
DOSE-RESPONSE
Non-EHEC E. coli amount		D	=10C4×ConFre
Parameter of α		α	=Fixed 2.21×10−1	Powell (2000)
Parameter of N50		N50	=Fixed 6.85×107	Powell (2000)
RISK
Probability of		Risk	=1−(1+{D×[(21/α)−1]/N50})−α	Powell (2000)
illness/person/day