An Attenuated Cytomegalovirus Vaccine with a Deletion of a Viral Chemokine Gene Is Protective against Congenital CMV Transmission in a Guinea Pig Model

Table 2

Summary of litters and presence or absence of congenital GPCMV infection in vaccine and control groups.

Litter	PCR positives
Control
1	3/3
2	4/4
3	4/4
4	4/5
5	2/2
6	2/4
7	3/3
8	1/4
9	2/3
10	4/4
11	1/5
12	4/6
13	1/3
Total	35/50 (70%)
V545 vaccine
1	0/3
2	0/3
3	1/4
4	2/5
5	0/4
6	0/3
7	0/4
8	0/1
9	1/4
10	0/5
11	0/4
12	0/3
13	1/2
14	1/4
15	3/3
Total	9/52 (17%)