Pathogenicity and escape to pre-existing immunity of a new genotype of swine influenza H1N2 virus that emerged in France in 2020

Table 2 Homology between H1_av virus strains

Strain name (lineage)	Used as	H1 clade	GenBank accession number of the HA protein	aa identity (%) with challenge strains
Strain name (lineage)	Used as	H1 clade	GenBank accession number of the HA protein	A/Swine/France/29-200272-01/2020 (H1_avN1 – HA 1C.2.1)	A/Swine/France/35-200154-01/2020 (H1_avN2 – HA 1C.2.4)
A/Sw/France/29–200272-01/2020 (H1_avN1)	Challenge strain	1C.2.1	QUQ74233	100	87.57
A/Sw/Côtes d’Armor/0186/2010 (H1_avN2)	Reference antigen	1C.2.1	ATU89338	93.29	90.23
A/Sw/France/35–200154-01/2020 (H1_avN2)	Challenge strain	1C.2.4	QUQ74329	87.57	100
A/Sw/Haseluenne/IDT2617/2003 (H_avN1)	Vaccine antigen^a	1C.2.2	ACR39183	91.87	90.05

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