Table 2.

Transmission of Serially Diluted Brain Homogenate from MM1-sCJD (H-3)

Dilution rate of the inoculum	Incubation periods* (days ± S.D.)	Occurrence (diseased/inoculated)
10−1	141 ± 9.2	7/7
10−2	153 ± 7.3	4/4
10−3	198 ± 12.3	5/5
10−4	243 ± 58.5	5/5
10−5	269, 269	2/5
10−6	348	1/5
10−7	>377	0/6
10−8	>377	0/6

*Incubation periods: Means ± SD days from the inoculation to the development of disease.