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. 2000 Mar 14;97(7):3418–3421. doi: 10.1073/pnas.050566797

Table 3.

Mean incubation periods (in days) of the same groups of hamsters shown in Table 2

Specimen Undiluted Log10 dilution
−0.7 −1 −2 −3 −4 −5 −6 −7 −8 −9 −10
Fresh tissue
 Unheated control 75 86 90 116 182 ND ND
 Heated 5 min
  150°C 75 75 76 82
  300°C 75 75 75
  600°C ND
  1,000°C ND
 Heated 15 min
  150°C 82 82 84 127
  300°C 105 118 142
  600°C 214
Formalin-fixed tissue
 Unheated control 142 163 184 (234) ND ND
 Heated 5 min
  150°C 85 85 97 119
  300°C 91 101 119
  600°C (231)

ND, no deaths in group.