Table 2.

Detection of REV Viremia and Viral Shedding in Chickens Inoculated with rMDV-Cas9-gLTR1/6 and Challenged with REV Later^a

Group	REV Viremiab				REV Sheddingc
	7d	14	21	28	7	14	21	28
rMDV-Cas-gLTR1/6+REV	2/10	1/10	0/10	0/10	0/10	0/10	0/10	0/10
rMDV+REV	6/10	4/10	1/10	0/10	0/10	0/10	0/10	0/10
Mock	0/10	0/10	0/10	0/10	0/10	0/10	0/10	0/10

^aChickens were inoculated with rMDV-Cas9-gLTR1/6 or the WT parental MDV (rMDV) at 1 day of age, and challenge with REV at 8 days of age. Plasmas and vaginal swabs were collected after REV challenge for viremia and viral shedding detection.

^bRatios of REV viremic birds to total detected birds.

^cRatios of REV shedding birds to total detected birds.

^dDays after REV challenge.