Partial direct contact transmission in ferrets of a mallard H7N3 influenza virus with typical avian-like receptor specificity

Table 3 Replication and transmission study of RGMal/01 in chickens and quail^a.

Groups	Number with positive tracheal swab/total N (Log₁₀EID50/ml ± SD)
	Day 1	Day 3	Day 5	Day 7	Day 9	Day 11
Inoculated quail^b	3/3	3/3	3/3 (4.6 ± 0.6)	3/3	3/3	0/3
Contact quail^b	0/3	3/3	3/3	3/3	3/3	1/3
Inoculated chicken^b	3/3	2/3 (2.7 ± 0)	0/3	0/3	0/3	0/3
Contact chicken^b	0/3	0/3	0/3	0/3	0/3	0/3

^a Groups of three birds were inoculated orally, intraocularly, intranasally, and intratracheally with 5 × 10⁶ EID₅₀ of RGMal/01/ml. A volume of 0.6 ml or 1.0 ml of virus inoculum was used for quail and chickens, respectively. The next day after infection, three naïve birds were introduced into the same cage as the infected birds. Tracheal and cloacal swab samples were collected from the chickens every 2 days for 11 days after inoculation
^b Cloacal swabs are negative for virus isolation.

ISSN: 1743-422X