Vaccine Shows Promise Against Widespread Chicken Disease
A new vaccine strategy could offer protection to millions of chickens threatened by a serious respiratory disease, research shows.
Infectious bronchitis virus is highly contagious and responsible for major economic losses to the poultry industry worldwide.
Infected chickens experience weight loss, decreased egg production and impaired egg quality. They are also left vulnerable to other diseases.
Current vaccines protect against some strains of the virus, but not others. Experts say these failures are possibly linked to differences in the spike protein – the protein which enables the virus to attach to and enter cells – between strains of the virus...
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