Table 2.

Evaluation of Replication Competent Virus in Fetal Tissues and Lambs; All samples were negative by the respective assay.

	Number of Animals	Organ VSV- G qPCR	Uterine Contents VSV-G qPCR	p24 ELISA	Blood VSV- G qPCR
Fetuses without evidence of vector sequences	27	144	57	3	3
Transgenic fetuses	14	75	32	3	2
Lambs without evidence of vector sequences	19	31	12	12	13
Transgenic Lambs	14	14	4	11	13
Total	74	264	105	29	31

Organs include from liver, lung, ovary, spleen, muscle, heart, skin, kidney, uterus, and mammary gland. Uterine contents include placenta, placentome, cotelydon, and interplacentomal tissue.