Foot-and-mouth strain identified
BBC
The strain of foot-and-mouth disease found at a Surrey farm has been identified, Defra has said.
The strain detected in infected cattle is identical to that used at the Institute for Animal Health, at Pirbright, three miles from the farm.
Defra could not say the laboratory was the source but has increased the size of the protection and surveillance zones covering farms in the area.
An urgent assessment of biosecurity has begun at the institute.
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