Globalisation and the e-commerce explosion have revolutionised the way fake drugs arrive in Europe. Since its creation in 1998, Viagra became the most counterfeited drug in the world. We head to the French border with Switzerland, where customs officials have been tracking the famous little blue pill.
Next, an undercover report in China reveals how fake drugs are being sold in real pharmacies. Our correspondents in Beijing follow an activist who spends his days trying to expose this highly sophisticated market.
And finally, we take a look at high-tech solutions to counter the illegal trade. Ghana benefits from a detection system, using just a barcode and a mobile phone.