Two Chicken Vaccines Have Combined To Create A New Strain Of Virus

By | July 17, 2012

Two chicken vaccines have recombined to produce more virulent viruses in Sydney and Melbourne, research has found, prompting the regulator to examine new controls over the approval and use of veterinary vaccines.

A study by a team from the Asia-Pacific Centre for Animal Health at the University of Melbourne and NICTA found that two different vaccine viruses used to control a chicken respiratory disease — the herpesvirus infectious laryngotracheitis (ILT) — have recombined, or crossed, to form two new virulent forms of the ILT virus.

The findings are published today in the journal Science.

As a result of the discovery, the Australian Pesticides and Veterinary Medicines Authority (APVMA) is considering new measures to regulate the use of vaccines in animals, the body said. …

via Two Chicken Vaccines Have Combined To Create A New Strain Of Virus | Gizmodo Australia.

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