The United Nations' Food and Agriculture Organisation (FAO) on Thursday warned countries affected by bird flu they should not start building up poultry flocks too soon or they could trigger a resurgence of the devastating epidemic.
"Two months after the outbreak of the epidemic, some countries are already planning to declare selected zones disease-free and to restock decimated flocks," the United Nations agency said in a statement.
"In the battle against the disease, there are definitely some improvements. But we fear that the virus may continue to circulate in the environment even without an outbreak or any clinical signs in animals," the statement quoted Joseph Domenech, head of the FAO Animal Health Service, as saying.
"Appropriate precautionary measures have to be put in place to be absolutely sure that infected zones are free from infection and will remain free," he added.
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