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The head of a US pharmaceutical company has defended his company's decision to raise the price of a 62-year-old medication used by Aids patients by over 5,000%.
Turing Pharmaceuticals acquired the rights to Daraprim in August.
CEO Martin Shkreli has said that the company will use the money it makes from sales to research new treatments.
The drug is used treat toxoplasmosis, a parasitic affliction that affects people with compromised immune systems.
After Turning's acquisition, a dose of Daraprim in the US increased from $13.50 (£8.70) to $750.
The pill costs about $1 to produce, but Mr Shkreli, a former hedge fund manager, said that does not include other costs like marketing and distribution.
http://www.bbc.com/news/world-us-canada-34320413 [bbc.com]