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Repeated isolation of virulent Newcastle disease viruses in poultry and captive non-poultry avian species in Pakistan from 2011 to 2016
- Abdul Wajid, Kiril M. Dimitrov, Muhammad Wasim, Shafqat Fatima Rehmani, Asma Basharat, Tasra Bibi, Saima Arif, Tahir Yaqub, Muhammad Tayyab, Mustafa Ababneh, Poonam Sharma, Patti J. Miller, Claudio L. Afonso
- Preventive veterinary medicine 2017 v.142 pp. 1-6
- chickens, Newcastle disease, hosts, subgenotype, disease outbreaks, Avian orthoavulavirus 1, viruses, indigenous species, virulence, Pakistan
- Virulent viruses of the panzootic Avian avulavirus 1 (AAvV-1) of sub-genotype VIIi were repeatedly isolated (2011–2016) from commercial chickens and from multiple non-poultry avian species in Pakistan. These findings provide evidence for the existence of epidemiological links between Newcastle disease outbreaks in commercial poultry and infections with virulent AAvV-1 strains in other avian species kept in proximity to poultry. Our results suggest that the endemicity of Newcastle disease in Pakistan involves multiple hosts and environments.