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Molecular epidemiological studies on avian influenza (H9N2) and infectious bronchitis (IB) viruses affecting respiratory system in chickens in Lebanon /

Riham Hassan Bassam

Molecular epidemiological studies on avian influenza (H9N2) and infectious bronchitis (IB) viruses affecting respiratory system in chickens in Lebanon / والتهاب الشعب الهوائية المعدي التي تصيب الجهاز التنفسي للدجاج في لبنان (H9N2) دراسات وبائية جزيئية على فيروسات انفلونزا الطيور Riham H. Bassam ; Supervised Ahmed A. Elsanousi , Hussein A. Hussein , Mohamed M. Amer - Cairo : Riham Hassan Bassam , 2019 - 101 P. : facsimiles ; 25cm

Thesis (Ph.D.) - Cairo University - Faculty of Veterinary Medicine - Department of Virology

Avian influenza and infectious bronchitis viruses are pathogens with economic importance in poultry industry. To determine the role of these viruses in respiratory diseases outbreak in Lebanese poultry farms, 347 serum samples from 26 flocks with respiratory disease symptoms were examined by ELISA tests. Some of these flocks had received influenza A and infectious bronchitis viruses vaccines. The overall antibody titers and of AIV H9 subtype and infectious bronchitis viruses were recorded. The results revealed the presence of both viruses in some flocks at the same time



ELISA H9N2 Lebanon