TABLE 2.

Inverse-nested-PCR products from infected livers

Virusa	Bird no.	Total DNA assayed (μg)	Type of junctionb	Total no. of reactions	Total products	No. of virus-virus junctions	No. of virus-cell junctions	Frequency of integration (per 104 cells)
WT	10	390	R	156	60	26	9	0.7
WT	14	55	R	300	168	45	11	2
WT	10	6	L	192	140	72	4	6
I2	6	23	R	96	48	23	3	4
I2	6	3	L	96	54	30	1	10

^aWT, wild type. 

^bR, right-hand junction; L, left-hand junction.