BANBURY, UNITED KINGDOM - JUNE 04: A man in a protective body suit walks past a sign warning of a outbreak of the H7 strain of bird flu, at Eastwood Farm, near Banbury on June 4, 2008 in Oxfordshire, England. The strain of avian flu virus was found yesterday in laying hens, and all birds on the farm have been ordered to be destroyed. The H7 strain has been found in Britain on several occasions before, but this is the first time it has been identified in the highly pathogenic, or deadly, form. (Photo by Matt Cardy/Getty Images)
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Getty Images News Matt Cardy