Vaccination programs against infectious bronchitis virus (IBV) in Egypt depend on both
classical and/or imported variant IBV strain vaccines. However, many IBV outbreaks …

Egyptian poultry suffer from frequent respiratory disease outbreaks associated with
Infectious Bronchitis Virus (IBV) variant 2 strains (Egy/VarII). Different vaccination programs …

Infectious bronchitis virus (IBV) infections cause great economic losses to the poultry
industry worldwide, and the emergence of new variant strains complicates disease control …

Infectious bronchitis virus (IBV) is a coronavirus which affects chickens of all ages. IBV
mainly causes respiratory disease but can also result in reduced weight gain, reduced egg …

Infectious bronchitis virus (IBV) has been frequently reported in chickens worldwide,
including in the Eastern Region of Saudi Arabia (ERS). Several IBV outbreaks were recently …

Infectious bronchitis virus (IBV) infections cause great economic losses to the poultry
industry worldwide. IBVs continuously evolve by developing mutations in antigenic sites; …

Avian infectious bronchitis (IB) is a worldwide chicken disease, caused by avian infectious
bronchitis virus (IBV) which infects all commercial poultry lines. The present study was done …

Background Infectious bronchitis is highly contagious and constitutes one of the most
common and difficult poultry diseases to control. IBV is endemic in probably all countries that …

Commercial vaccines for in ovo vaccination have not yet been developed for infectious
bronchitis virus (IBV), the major coronavirus in the poultry industry. Recombinant IBVs based …

Infectious bronchitis (IB) is a highly contagious respiratory and urogenital disease of
chickens caused by infectious bronchitis virus (IBV). This disease is of considerable …