Dramatic advances in the treatment of Hepatitis C have been showcased in London.
 
But the World Health Organisation says drugs that offer a cure for the liver-destroying virus are unaffordable for most.
 
The global health body wants to revolutionise the way Hepatitis C is treated, particularly in poorer countries.
 
Al Jazeera's Nadim Baba reports from London.

Source: Al Jazeera