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. 2013 Feb 28;8(2):e57576. doi: 10.1371/journal.pone.0057576

Table 3. Swine and human influenza viruses: HI antigenic characterization of H3 strains.

HI titer of serum against:
Virus origin Virus strain A/Sw/It/79604/06 (H3N2)* A/Brisbane/10/07 (H3N2)*
Swine A/Sw/It/79604/06, H3N2 2560 <10
A/Sw/It/32242/06, H3N2 1280 <10
A/Sw/It/20319/06, H3N2 1280 <10
A/Sw/It/186423/07, H3N2 640 <10
A/Sw/It/206453/07, H3N2 1280 <10
A/Sw/It/319388/07, H3N2 1280 <10
A/Sw/It/209720/08, H3N2 1280 <10
A/Sw/It/136775/08, H3N2 1280 <10
A/Sw/It/120014/08, H3N2 1280 <10
A/Sw/It/117304/08, H3N2 640 <10
A/Sw/It/235509/08, H3N2 640 <10
Human A/Uruguay/716/07, H3N2 <10 2560

HI, Haemagglutination inhibition.

*

Chicken hyperimmune antiserum.

Virus strains used to test swine workers’ and controls’ sera are underlined.

SIVs strains isolated from pigs, in the farms under study.