Table 5.

Infection risks associated with rotavirus-contaminated spinach after treatment with various E-beam irradiation doses

E-beam irradiation dose (kGy) (% rotavirus reduction)	Infection riska for each initial rotavirus contamination level (PFU/g)
	1,000	100	10	1
1.46 (83.99)	7.72 × 10−1	5.94 × 10−1	3.13 × 10−1	7.16 × 10−2
2.11 (85.39)	6.86 × 10−1	4.50 × 10−1	1.57 × 10−1	2.30 × 10−2
2.94 (95.19)	5.61 × 10−1	2.70 × 10−1	5.45 × 10−2	6.17 × 10−3
4.03 (98.62)	2.37 × 10−1	4.32 × 10−2	4.76 × 10−3	4.82 × 10−4

^aProbability of infection.