Infectious bronchitis (IB) is a highly contagious viral disease and is responsible for
considerable economic losses in the poultry industry, worldwide. To mitigate the IB …

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

Infectious bronchitis virus (IBV) has a variety of serotypes with relatively limited cross-
protection leading the disease to be a major problem in the poultry industry. The IBV 793/B …

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

Infectious bronchitis virus (IBV) causes major losses in the poultry industry. The safe and
effective vaccine to control IBV spread is imperative. In the present study, we developed IBV …

The infectious bronchitis virus (IBV) is an acute and highly contagious disease, which affects
chickens of all ages. Vaccination is the most important way to control this disease …

Groups of one-day-old broiler chicks were vaccinated via the oculo-nasal route with different
live infectious bronchitis virus (IBV) vaccines: Massachusetts (Mass), 793B, D274 or …

Background: Being a ubiquitous, highly contagious virus with a continuous mutation and a
large number of evolutions worldwide, the infectious bronchitis virus (IBV) continues to …