Table 2.

Virus shedding of groups.

Groups	No. of positive samples/No. of pigeons tested Days post-infection
	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14
Group IN	0/6a	0/6	6/6	6/6	6/6	6/6	6/6	4/6	3/5	2/4	2/4	1/2	1/2	0/2	0/2
	0/6b	0/6	0/6	0/6	0/6	0/6	0/6	3/6	2/5	2/4	2/4	0/2	0/2	0/2	0/2
Group IC	0/6	0/6	4/6	6/6	6/6	6/6	5/5	5/5	3/4	3/4	1/2	1/1
	0/6	0/6	0/6	0/6	1/6	1/6	0/5	0/5	1/4	1/4	1/2	0/1
Group IO	0/6	0/6	1/6	5/6	4/6	4/6	3/6	3/6	2/6	1/5	0/5	0/4	0/4	0/3	0/3
	0/6	0/6	0/6	0/6	1/6	1/6	2/6	2/6	3/6	3/5	3/5	3/4	3/4	0/3	0/3
Group CO	0/6	0/6	0/6	2/6	5/6	6/6	5/6	2/6	1/6	1/6	1/6	0/6	0/5	0/5	0/5
	0/6	0/6	0/6	0/6	0/6	2/6	2/6	5/6	5/6	4/6	4/6	4/6	3/5	3/5	0/5
N control	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6
	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6	0/6

^aPositive samples of oropharyngeal swabs.

^bPositive samples of cloacal swabs.