Mathilda, the youngest known person to be diagnosed with narcolepsy, may have developed the condition following a swine flu vaccination, according to National Headlines.

When Claire Crisp agreed to have her three-year-old daughter Mathilda vaccinated against swine flu, she believed she was doing the best to protect her from a life-threatening pandemic. But Claire is convinced that the vaccine against it has left Mathilda with severe narcolepsy. Mathilda also had terrifying nocturnal hallucinations and excruciating pain.Now she is part of a protracted legal battle against the Government for compensation for vaccine-related narcolepsy.

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