TABLE 2.

Comparison of the ability of wild-type and two independently isolated recombinant viruses to transform T-cell-depleted peripheral blood leukocytes

Virus dilution	No. of transformed wells/total no. of wells infected with:
	Recombinant virus 1	Recombinant virus 2	Wild-type virus
1/1	2/5	1/5	5/5
1/2	1/5	1/5	5/5
1/4	0/5	0/5	5/5
1/8	0/5	0/5	5/5
1/16	0/5	0/5	5/5
1/32	0/5	0/5	5/5
1/64	0/5	0/5	5/5
1/128	0/5	0/5	5/5
1/256	NDa	ND	3/5
1/512	ND	ND	2/5
1/1,024	ND	ND	2/5
1/2,048	ND	ND	2/5
1/4,096	ND	ND	0/5
1/8,192	ND	ND	0/5
None		0/8

^aND, not done.