Bottles of counterfeit Viagra are displayed by a U.S. Customs and Border Protections officer to show examples of confiscated products during a tour of a bonded warehouse at John F. Kennedy International Airport in New York June 16, 2014. REUTERS/Lucas Jackson (UNITED STATES - Tags: BUSINESS POLITICS DRUGS SOCIETY HEALTH) 

Boxes of counterfeit Viagra seized by the U.S. Customs & Border Protection are seen at the agency's offices at John F. Kennedy Airport in New York August 15, 2012. Picture taken August 15, 2012. To match Special Report CHINA-PHARMACEUTICALS/ REUTERS/Keith Bedford (UNITED STATES - Tags: CRIME LAW HEALTH) 

Counterfeit goods seized by the U.S. government are shown on display at the National Intellectual Property Rights Coordination Center in northern Virginia, October 7, 2010. The Organization for Economic Cooperation and Development estimates the amount of counterfeit goods and pirated copyrights in world trade grew from about $100 billion in 2001 to about $250 billion in 2007, the last year for which they have made an estimate. In the 2009 budget year, U.S. Customs agents and other officials made 14,481 seizures valued at $260.7 million dollars. Picture taken October 7, 2010. To match Special Report CHINA-PIRACY/ REUTERS/Jason Reed (UNITED STATES - Tags: BUSINESS CONFLICT SOCIETY POLITICS) 

A man displays a package containing Viagra after a medical check-up during a health campaign in the suburb of Escobedo, in the northern city of Monterrey June 12, 2008. Authorities of Escobedo launched on Thursday a health campaign to celebrate Father's Day during which residents received a medical check-up and a package of medicines including condoms and Viagra. REUTERS/Tomas Bravo (MEXICO)