Facebook founder Mark Zuckerberg pledges $3bn to rid the world of all disease

Mark Zuckerberg and Priscilla Chan have vowed to spend $3bn over the next decade to try and cure all diseases.

The Facebook founder and his wife, who pledged to give away 99pc of their

wealth to good causes following the birth of their daughter last year, said the money would be used to assist scientific work and build new research tools.