“…Since then, ND is considered endemic as it had caused major outbreaks not only in vaccinated chickens but also village chickens and non-poultry avian species (Shohaimi et al, 2015). Six genotypes (I, II, III, VI, VII and VIII) have been reported to circulate in Malaysia (Shohaimi et al, 2015;Mahamud et al, 2021). For the past 20 years, NDV genotype VII has been the predominant genotype in Malaysia (Tan et al, 2010;Berhanu et al, 2010;Shohaimi et al, 2015;Aljumaili et al, 2017;Syamsiah et al, 2021).…”