Jimmy Carter wants to end guinea worm disease

Former US President Jimmy Carter poses for photographers with a water pipe filter, that is used to combat guinea worm disease, during a news conference to mark the launch of a campaign to eradicate the disease in central London, Wednesday, Oct. 5,

5 October 2011 Last updated at 14:07 GMT By Jane.

5 October 2011 Last updated at 14:07 GMT By Jane.

Chances are you never heard of guinea worm disease, and if Jimmy Carter has his way, the disease will follow the path of smallpox and be eliminated fr. 2 Guinea worm: Former President Jimmy Carter is appealing for other donors to join

2 Guinea worm: Former President Jimmy Carter is appealing for other donors to join Britain in a multimillion-dollar campaign to wipe out guinea worm, a disabling and painful parasitic disease that exists only in four African countries.