. Author manuscript; available in PMC: 2006 Nov 30.

Published in final edited form as: Clin Infect Dis. 2005 Nov 22;42(1):14–20. doi: 10.1086/498977

Table 4.

Hemagglutination inhibition titers of control serum samples to reference virus strains.

	Titer, by reference influenza A virus
Antisera control	A/Swine/WI/238/97 (Swine H1N1 virus)	A/Swine/WI/R33F/01 (Swine H1N2 virus)	A/Swine/Minnesota/593/99 (Swine H3N2 virus)
A/New Caledonia/20/99 (human H1N1 virus)^a	1:20	1:80	1:40
A/Swine/Indiana/1726188 (swine H1N1 virus)^b	1:80	1:80	1:10
A/Panama/2007/99 (human H3N2 virus)^a	1:5	1:5	>1:640
A/Swine/Minnesota/593/99 (swine H3N2 virus)^b	1:5	1:5	>1:640
B/Sichuan^a	1:5	1:5	1:10
B/Hong Kong^a	1:5	1:5	1:5
Normal sheep serum^a	1:5	1:5	1:5

Sheep antisera.

Swine antisera.