Table 2 Cross-reactivity of plaque-cloned H5 HPAIVs with laboratory antisera panel using HI test. aViruses isolated in this study are highlighted in bold. bHomologous titers are underlined.

From: A systematic study towards evolutionary and epidemiological dynamics of currently predominant H5 highly pathogenic avian influenza viruses in Vietnam

Virusesa

Clade/subclade

Antiserum tob

Mdk/VN/559/11

Dk/VN/2202/12

Dk/VN/386/15

Ck/Kum/1-7/14

Dk/VN/1151/14

Bs/Akt/1/16

A/Muscovy duck/Vietnam/OIE-559/2011 (H5N1)

1.1

1,024

32

512

512

32

64

A/duck/Vietnam/OIE-2202/2012 (H5N1)

2.3.2.1c

32

1,024

1,024

64

32

128

A/duck/Vietnam/HU3-386/2015 (H5N1)

2.3.2.1c

16

256

2,048

256

64

64

A/chicken/Vietnam/HU4-1328/2015 (H5N1)

2.3.2.1c

16

64

512

128

16

16

A/duck/Vietnam/HU5-1571/2016 (H5N1)

2.3.2.1c

16

256

1,024

8

16

16

A/duck/Vietnam/HU8-1817/2017 (H5N1)

2.3.2.1c

16

64

512

8

8

16

A/chicken/Kumamoto/1-7/2014 (H5N8)

2.3.4.4icA

16

16

256

2,048

1,024

256

A/Muscovy duck/Vietnam/HU2-26/2014 (H5N6)

2.3.4.4D

16

8

64

512

1,024

256

A/duck/Vietnam/HU1-1151/2014 (H5N6)

2.3.4.4D

16

8

64

1,024

2,048

512

A/black swan/Akita/1/2016 (H5N6)

2.3.4.4C

16

8

64

256

256

512

A/chicken/Vietnam/HU4-42/2015 (H5N6)

2.3.4.4C

16

16

256

512

512

512

A/duck/Japan/AQ-HE72/2015 (H5N6)

2.3.4.4C

8

8

256

1,024

2,048

512

A/chicken/Japan/AQ-HE144/2015 (H5N6)

2.3.4.4C1

16

8

256

1,024

1,024

512

A/Muscovy duck/Vietnam/HU7-20/2017 (H5N6)

2.3.4.4C1

16

8

256

512

512

512