TABLE 1.

Subtypes and genotypes of viruses featured in this study

Virus nameSubtypePhylogenetic lineage of RNA segments
PB2PB1PAHANPNAMNS
A/Swine/Ontario/52156/03H1N2HumanHumanHumanHumanHumanHumanHumanHuman
A/Swine/Ontario/48235/04H1N2Classical swineHumanClassical swineHumanClassical swineHumanClassical swineClassical swine
A/Swine/Ontario/55383/04H1N2Classical swineHumanClassical swineHumanClassical swineHumanClassical swineClassical swine
A/Swine/Ontario/53518/03H1N1Classical swineHumanClassical swineClassical swineClassical swineClassical swineClassical swineClassical swine
A/Swine/Ontario/11112/04H1N1Classical swineHumanClassical swineClassical swineClassical swineClassical swineClassical swineClassical swine
A/Swine/Ontario/23866/04H1N1Classical swineHumanClassical swineClassical swineClassical swineClassical swineClassical swineClassical swine