Members of UNASUR, the Union of South American Nations, could combine their bargaining power to drive down the price of the new hepatitis C drugs, such as Gilead's Sovaldi. If successful, such a move could set an uncomfortable precedent for drug companies selling expensive new drugs in the region.
The organization is comprised of Brazil, Argentina, Venezuela, Colombia, Chile, Peru, Ecuador, Uruguay, Paraguay, Bolivia and Suriname. Ernesto Samper, an...




