Virus interference between H7N2 low pathogenic avian influenza virus and lentogenic Newcastle disease virus in experimental co-infections in chickens and turkeys

Table 1 Experimental design

Species	Groups		Days of sampling
Species	Day 0	Day 3	Weigh	Virus detection: OP and CL swabs	Serology
Chickens	-	-	0, 3, 6	1, 6, 14	14
	l NDV	-	0, 3	1, 2, 3, 4, 6, 8, 10	14
	LPAIV	-	0, 3	1, 2, 3, 4, 6, 8, 10	14
	l NDV + LPAIV	-	0, 3	1, 2, 3, 4, 6, 8, 10	14
	l NDV	LPAIV	0, 3, 6	4, 5, 6, 7, 9, 11, 14*	14
	LPAI	l NDV	0, 3, 6	4, 5, 6, 7, 9, 11, 14*	14
Turkeys	-	-	0, 3, 6	1, 6, 14	14
	NDV	-	0, 3	1, 2, 3, 4, 6, 8, 10	14
	LPAI	-	0, 3	1, 2, 3, 4, 6, 8, 10	14
	l NDV + LPAIV	-	0, 3	1, 2, 3, 4, 6, 8, 10	14
	l NDV	LPAIV	0, 3, 6	4, 5, 6, 7, 9, 11, 14*	14
	LPAIV	l NDV	0, 3, 6	4, 5, 6, 7, 9, 11, 14*	14

*These time points correspond to 1, 2, 3, 4, 6, 8, 11 days after inoculation with the second virus.

ISSN: 1297-9716