Table 3. Severity of clinical signs in ferrets infected with influenza viruses.

Virus	Weight loss		Activity loss		Temperature		Nasal inflammation				Total Score
							Protein		Cell
	Placebo	OST	Placebo	OST	Placebo	OST	Placebo	OST	Placebo	OST	Placebo	OST
Influenza A
H1N1	1	0	3	1	1	1	3	0	2	1	10	3
H1N1(H275Y)	1	1	2	3	3	2	2	0	1	1	9	7
H1N1pdm09	3	0	3	1	3	2	3	2	3	1	15	6
H1N1pdm09(H275Y)	3	3	3	3	3	3	3	3	3	3	15	15
H3N2	0	0	1	1	0	0	1	0	2	0	4	1
H3N2(E119V)	0	0	0	0	0	0	0	0	0	0	0	0
Influenza B
B	0	0	1	1	2	0	1	1	0	1	3	3
B(D197N)	0	0	1	1	0	0	2	0	1	0	4	1
B(H273Y)	0	0	1	1	0	0	0	0	0	0	1	1