Table 4

Possible infection risks associated with human norovirus-contaminated oysters after treatment with various E-beam doses

E-beam dosea (kGy) (% MNV reduction)Infection riskb for consuming oystersc with various levels of NoV contamination
105 PFU104 PFU103 PFU102 PFU
0 (0)4.49 � 10−13.96 � 10−13.38 � 10−12.74 � 10−1
1.44 (46.8)4.35 � 10−13.81 � 10−13.21 � 10−12.55 � 10−1
2.31 (78.5)4.14 � 10−13.58 � 10−12.96 � 10−12.28 � 10−1
3.23 (89.7)3.97 � 10−13.39 � 10−12.75 � 10−12.05 � 10−1
4.13 (91.3)3.93 � 10−13.34 � 10−12.70 � 10−11.99 � 10−1
5.09 (90.4)3.95 � 10−13.37 � 10−12.73 � 10−12.03 � 10−1
  • a Virus reduction at specified E-beam doses.

  • b Probability of infection.

  • c Serving size of 12 oysters containing 13.68 g meat per oyster.