A mother from Somerset says she may sue the government, claiming her son developed the sleep disorder narcolepsy from an injection.
Seven-year-old Joshua Hadfield had the swine flu vaccination three years ago, and he now falls asleep at any time.
New research suggests the injection can cause the condition.
Caron Bell reports:
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Three schools in Gloucestershire and Wiltshire are involved in a police investigation which has identified more than 100 alleged victims.
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