Scientists discover two different vaccines combined to creat new virus strains

Claire Peddie
adelaidenow.com.au

TWO different vaccines used to control infectious disease in chickens have combined to create new virus strains.

The herpes virus caused 33 outbreaks of disease and death in farmed chickens on the outskirts of Sydney and Melbourne in 2008.

University of Melbourne lecturer Dr Joanne Devlin said the disease emerged shortly after a new vaccine was introduced.

She said researchers were “surprised” to find the new strain was formed by the “recombination” of two strains administered in separate vaccines.

Researchers at the Asia-Pacific Centre for Animal Health in the University checked the DNA sequence of the new virus against the strains of the virus in the vaccines.

Read More: Scientists discover two different vaccines combined to creat new virus strains

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