Table 3 Frequency distribution of complete influenza A virus gene sequences by virus group (VG1, H1 gamma; VG2, H1 beta; and VG3, H3 cluster-IV) and gene segment. Polymerase base 2 (PB2), polymerase B1 (PB1), polymerase A (PA), hemagglutinin (HA), neuraminidase (NA), matrix (M), and non-structural protein (NS).

From: Multiple Genome Constellations of Similar and Distinct Influenza A Viruses Co-Circulate in Pigs During Epidemic Events

Virus

Gene segments

Total

PB2 (%)

PB1 (%)

PA (%)

HA (%)

NP (%)

NA (%)

M (%)

NS (%)

VG1 - H1 gamma

46 (60.5)

43 (59.7)

48 (64.0)

48 (61.5)

49 (62.0)

50 (60.2)

59 (63.4)

58 (62.4)

402 (61.9)

VG2 - H1 beta

2 (2.6)

2 (2.8)

2 (2.7)

2 (2.6)

2 (2.5)

2 (2.4)

4 (4.3)

4 (4.3)

19 (2.9)

VG3 - H3 cluster IV

28 (36.8)

27 37.5)

25 (33.3)

28 (35.9)

28 (35.4)

31 (37.3)

30 (32.3)

31 (33.3)

228 (35.1)

Total (%)

76 (100)

72 (100)

75 (100)

78 (100)

79 (100)

83 (100)

93 (100)

93 (100)

649 (100)

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