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Table 3 Biological characteristics of the 25 NDV isolates

From: Genetic and antigenic characteristics of genotype VII.1.1 Newcastle disease viruses currently circulating in Ethiopian chickens

Isolates

Collection site

Thermo

stability

in minutes

HI titer

F gene cleavage site

MDT

(hours)

EID50/

0.1 ml

ELD50/0.1 ml

Accession number

Pathotype

NDV/chicken/Eth-SZ1T2/2023

Wolaita

5

40

112RRQKR↓F117

< 60

107.63

107.63

LC846624

Velogenic

NDV/chicken/Eth-ST2T7/2023

Wolaita

< 5

40

112RRQKR↓F117

-

-

-

LC846621

Meso/Velo

NDV/chicken/Eth-ST2T8/2023

Wolaita

< 5

40

112RRQKR↓F117

-

-

-

LC846622

Meso/Velo

NDV/chicken/Eth-ST2T10/2023

Wolaita

< 5

40

112RRQKR↓F117

-

-

-

LC846623

Meso/Velo

NDV/chicken/Eth-ST2C9/2023

Wolaita

5

40

112RRQKR↓F117

-

-

-

LC846619

Meso/Velo

NDV/chicken/Eth-ST2C11/2023

Wolaita

5

40

112RRQKR↓F117

-

-

-

LC846620

Meso/Velo

NDV/chicken/Eth-WG2T4/2023

Wolaita

5

40

112RRQKR↓F117

-

-

-

LC846626

Meso/Velo

NDV/chicken/Eth-WGT9/2023

Wolaita

5

40

112RRQKR↓F117

-

-

-

LC846627

Meso/Velo

NDV/chicken/Eth-WG2T10/2023

Wolaita

< 5

40

112RRQKR↓F117

-

-

-

LC846628

Meso/Velo

NDV/chicken/Eth-WG2C5/2023

Wolaita

5

40

112RRQKR↓F117

-

-

-

LC846625

Meso/Velo

NDV/chicken/Eth-WS10C7/2023

Wolaita

< 5

40

112RRQKR↓F117

< 60

108.53

108.53

LC846629

Velogenic

NDV/chicken/Eth-WS10T8/2023

Wolaita

< 5

40

112RRQKR↓F117

-

-

-

LC846630

Meso/Velo

NDV/chicken/Eth-HT2T1/2023

Holeta

< 5

80

112RRQKR↓F117

< 60

107.16

107.16

LC846610

Velogenic

NDV/chicken/Eth-HT2T2/2023

Holeta

< 5

40

112RRQKR↓F117

-

-

-

LC846611

Meso/Velo

NDV/chicken/Eth-HT2T3/2023

Holeta

< 5

40

112RRQKR↓F117

-

-

-

LC846612

Meso/Velo

NDV/chicken/Eth-HT2T4/2023

Holeta

< 5

40

112RRQKR↓F117

-

-

-

LC846613

Meso/Velo

NDV/chicken/Eth-HT2T5/2023

Holeta

< 5

80

112RRQKR↓F117

-

-

-

LC846614

Meso/Velo

NDV/chicken/Eth-HT9T11/2023

Holeta

5

40

112RRQKR↓F117

-

-

-

LC846617

Meso/Velo

NDV/chicken/Eth-HT9C8/2023

Holeta

5

40

112RRQKR↓F117

-

-

-

LC846615

Meso/Velo

NDV/chicken/Eth-HT9C13/2023

Holeta

15

40

112RRQKR↓F117

-

-

-

LC846616

Meso/Velo

NDV/chicken/Eth-HT9C15/2023

Holeta

15

40

112RRQKR↓F117

< 60

108.5

108.5

LC846614

Velogenic

NDV/chicken/Eth-BS2T13/2023

Bishoftu

< 5

40

112RRQKR↓F117

-

-

-

LC846608

Meso/Velo

NDV/chicken/Eth-BS2T14/2023

Bishoftu

5

40

112RRQKR↓F117

< 60

107.83

107.83

LC846609

Velogenic

NDV/chicken/Eth-AA3/T1/2023

Addis Ababa

< 5

80

112RRQKR↓F117

< 60

108.83

108.83

LC846607

Velogenic

NDV/chicken/Eth-SLBM12C1/2023

Sebeta LBM

< 5

40

112RRQKR↓F117

< 60

107.5

107.5

LC846618

Velogenic

  1. ↓: F0 cleavage site; -: test not conducted; Meso/Velo: Mesogenic or Velogenic