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Early challenge with LPAI-H9N2 followed by vNDV-VII.1.1 in vaccinated and unvaccinated broilers: a comprehensive
Ahmed Elbestawy1,2, Eman Khalifa3, Adel H Saad4
1Department of Bird and Rabbit Diseases, Faculty of Veterinary Medicine, Menoufia University, Shebeen Elkom, Egypt.
Research Highlights:
Vaccinated broilers were protected against mortality from early H9N2-vNDV-VII.1.1 co-infections.Vaccination of broilers significantly decreased but did not stop shedding of either virus.H9N2 infection prior to vNDV infection in nonvaccinated broilers induced faster mortality.
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