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(From Western Daily Press)
Widespread use of ineffective and fake animal vaccines may be greatly increasing the threat of a human flu pandemic, a leading expert said yesterday.
WIDESPREAD use of ineffective and fake animal vaccines may be greatly increasing the threat of a human flu pandemic, a leading expert said yesterday.
Many vaccines given to poultry in bird flu hot-spots such as south-east Asia fail to control the virus, said Dr Robert Webster, from the World Health Organisation. As a result, even in apparently healthy birds, the virus is allowed to spread and evolve into new forms.
With each new strain that develops, a new vaccine…