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Table 3 Antigenic cross-reactivity between the novel H1 av N2 reassortant strains and reference strains representative of the European enzootic swIAV lineages

From: Virus persistence in pig herds led to successive reassortment events between swine and human influenza A viruses, resulting in the emergence of a novel triple-reassortant swine influenza virus

Virus strain

Haemagglutination inhibition titer with hyperimmune sera against:

H1avN1 A/Sw/Cotes d’Armor/0388/09

H1huN2 A/Sw/Scotland/410440/94

H3N2 A/Sw/Flanders/1/98

H1N1pdm A/Sw/Sarthe/0255/10

A/Sw/Cotes d’Armor/0388/09 (H1avN1)

1280

< 10

< 10

< 10

A/Sw/Scotland/410440/94 (H1huN2)

< 10

1280

10

< 10

A/Sw/Flanders/1/98 (H3N2)

< 10

< 10

2560

< 10

A/Sw/Sarthe/0255/10 (H1N1pdm)

40

< 10

< 10

640

A/Sw/France/37-120345/12 (H1avN2)

320

< 10

< 10

20

A/Sw/France/61-140350/14 (H1avN2)

640

< 10

< 10

40

A/Sw/France/37-160178/16 (H1avN2)

160

< 10

< 10

< 10

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Veterinary Research

ISSN: 1297-9716