An office worker browses an on-line pharmacy in Manila on June 14, 2012. The rapid growth of Internet commerce has led to a global “explosion” of counterfeit drugs being sold worldwide, health and pharmaceutical experts warned June 14. Globally, the illicit trade is believed to be worth around 75 billion USD, with criminal gangs increasingly using the web to move their products across borders, said Scott Davis. AFP PHOTO / JAY DIRECTO (Photo credit should read JAY DIRECTO/AFP/GettyImages)