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Table 2 Properties of recombinant NDV strains: HN protein and virulence.

From: Virulence of newcastle disease virus: what is known so far?

Virus

Parent

ICPI

IVPI

MDT

Reference

rBC

Beaudette C

1.58*

 

62

[27]

rBC(HN) L

Beaudette C

1.02*

 

72

[27]

rBC

Beaudette C

1.66

2.06

48

[24]

rBC(HN) L

Beaudette C

1.58

1.27

60

[24]

rBC(HN) Y526Q

Beaudette C

1.33

 

98

[79]

rLaSota

LaSota

0.00*

0.00†

96

[27]

rLaSota

LaSota

0.19

0.00

> 90

[24]

rLaSota(HN) BC

LaSota

0.75*

0.38†

84

[27]

rLaSota(HN) BC

LaSota

0.00

0.00

> 90

[24]

NDFLtag

LaSota

1.28

0.76

 

[49]

NDFLtag(HN) H

LaSota

1.40

1.83

 

[49]

NDFLtag(HN) LH

LaSota

1.28

1.52

 

[49]

NDFLtag(HN) HL

LaSota

1.31

1.82

 

[49]

FL-Herts

Herts/33

1.63

2.29

59

[49]

FL-Herts(HN) L

Herts/33

1.45

0.95

75

Dortmans et al., unpublished

FL-Herts(HN) LH

Herts/33

1.40

1.76

64

Dortmans et al., unpublished

FL-Herts(HN) HL

Herts/33

1.26

0.07

86

Dortmans et al., unpublished

rAnh

Anhinga

0.89

 

88

[48]

rAnh(HN) Tk

Anhinga

1.00

 

84

[48]

rAnh(HN) CA

Anhinga

0.86

 

72

[48]

  1. * ICPI inoculum: 103 PFU virus/chicken.
  2. † IVPI inoculum: 103 PFU virus/chicken.
  3. Superscript L: HN gene originating from strain LaSota.
  4. Superscript BC: HN gene originating from strain Beaudette C.
  5. Superscript H: HN gene originating from strain Herts/33.
  6. Superscript LH: stem region originating from strain LaSota, globular head originating from strain Herts/33.
  7. Superscript HL: stem region originating from strain Herts/33, globular head originating from strain LaSota.
  8. Superscript Tk: HN gene originating from strain Turkey/92.
  9. Superscript CA: HN gene originating from strain California/02.