Concerns over foreign transplants

Vaccine 'could end Nigeria polio'
Polio could be wiped out in Nigeria - one of the last blackspots of the disease - thanks to improved vaccine, research suggests.

Ugandans ban female circumcision
The only community to practise female circumcision in Uganda has banned it, an official says.

Millions mark UN hand-washing day
Millions of children around the world are to use soap and water to mark the UN's first Global Handwashing Day.

Earliest confirmed TB case found
The 9,000-year-old remains of a mother and baby found off the coast of Israel provide the earliest confirmed evidence of human TB.

Hygiene horror in commuter study
More than one in four commuters have bacteria which come from faeces on their hands, an investigation finds.