To date, the disease is incurable.

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Eastern Chinese cities have been closing live poultry markets and taking other measures to try to contain the disease which has killed six to date.

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"The 'spotty bus' is taking immunisation to families and gives parents the chance to bring their child's immunisations up to date and prevent serious disease, " she said.

BBC: The 'spotty bus' tackling measles

Genito-urinary consultant, Dr Carolyn Thompson, said that many health authorities in Scotland still use an out-of-date swab test to diagnose the disease.

BBC: Disease 'timebomb' ticking for Scots

He said the most reliable study to date was on 420 patients with ulcerative colitis and 142 patients with Crohn's disease in South Eastern Norway.

BBC: Seasonal variation in Crohn's risk

Organisers said it would be the highest jump to date in the island's skies and would raise money for research into a rare brain disease.

BBC: John Sharp

"Nothing that has been published to date refutes our data, " Dr Judy Mikovits, of the Whittemore Peterson Institute for Neuro-Immune Disease, said in a statement.

BBC: By Helen Briggs