Table 1. Vaccines, recombinant HA proteins and antibodies used in this study.

Human Vaccine (subtype)	Donor strains
Influenza A (H1N1)	Influenza A/California/7/2009
Influenza A (H3N2)	Influenza A/Perth/16/2009(H3N2)-like*
Influenza B	Influenza B/Brisbane/60/2008
Recombinant HA	Donor strains
A/H1	Influenza A/New Caledonia/20/1999
A/H5	Influenza A/Vietnam/1203/2004
A/H7	Influenza A/Netherlands/219/03
B	Influenza B/Malaysia/2506/2004
Antibodies	Immunogen
Sheep anti-H1 A/California/7/2009(H1N1)	Influenza A/California/7/2009
Sheep anti-H3 A/Perth/16/2009(H3N2)-like	Influenza A/Wisconsin/15/2009
Sheep anti-HB B/Brisbane/60/2008	Influenza B/Brisbane/60/2008
Sheep anti-H1 A/New Caledonia/20/1999 (H1N1)	Influenza A/New Caledonia/20/1999
Sheep anti-H5 A/Vietnam/1203/2004 (H5N1)	Influenza A/Vietnam/1203/2004
Rabbit Uni-1 Abs (universal anti-HA antibody)	Influenza HA fusion peptide [37], [38], [39]
Rabbit anti-H1 A/California/7/2009(H1N1)	Influenza A/California/7/2009
Rabbit anti-H3 A/Victoria/210/2009(H3N2)	Influenza A/Victoria/210/2009
Rabbit anti-HB B/Brisbane/60/2008	Influenza B/Brisbane/60/2008

^*Monovalent vaccine strain was A/Victoria/210/2009 (H3N2) and trivalent vaccine strain was A/Wisconsin/15/2009 (H3N2).