Figure 2. Binding of anti-A/Brisbane/10/2007(H3N2) pAb to H3 strains measured by ELISA.

Tested were 2 swine H3N2 HAs (A/swine/Chonburi/05CB2/2005, A/swine/Nakhon pathom/NIAH586-2/2005), pandemic H3N2 HA (A/Aichi/2/1968), 1 seasonal H3N2 HA (A/Wisconsin/67/2005). The seasonal vaccine H3N2 HA (A/Brisbane/10/2007) and a representative H7N7 HA (A/Netherlands/219/2003) were used as positive and negative controls, respectively.