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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FL-Herts(HN) L Herts/33 1.45 0.95 75 Dortmans et al., unpublished
FL-Herts(HN) LH Herts/33 1.40 1.76 64 Dortmans et al., unpublished
FL-Herts(HN) HL Herts/33 1.26 0.07 86 Dortmans et al., unpublished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.